Home / 93,832.16-129,483.56-51,389.78

Finding the Fourth Proportional to 93,832.16, 129,483.56 and 51,389.78

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Solution

The fourth proportional to 93,832.16, 129,483.56 and 51,389.78 is: 70,915.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,832.16 : 129,483.56 = 51,389.78 : x
  2. Step 2: Convert to fraction form
    93,832.16/129,483.56 = 51,389.78/x
  3. Step 3: Cross multiply
    93,832.16x = 129,483.56 × 51,389.78
  4. Step 4: Simplify right side
    93,832.16x = 6,654,131,143.07
  5. Step 5: Solve for x
    x = 6,654,131,143.07/93,832.16
  6. Step 6: Final answer
    x = 70,915.25

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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.