Home / 93,921.63-129,612.56-51,480.16

Finding the Fourth Proportional to 93,921.63, 129,612.56 and 51,480.16

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Solution

The fourth proportional to 93,921.63, 129,612.56 and 51,480.16 is: 71,043.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,921.63 : 129,612.56 = 51,480.16 : x
  2. Step 2: Convert to fraction form
    93,921.63/129,612.56 = 51,480.16/x
  3. Step 3: Cross multiply
    93,921.63x = 129,612.56 × 51,480.16
  4. Step 4: Simplify right side
    93,921.63x = 6,672,474,745.38
  5. Step 5: Solve for x
    x = 6,672,474,745.38/93,921.63
  6. Step 6: Final answer
    x = 71,043.01

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Double scale
Find fourth proportional to 93,922.63, 129,613.94 and 51,481.16
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.