Home / 93,825.72-129,478.38-51,383.64

Finding the Fourth Proportional to 93,825.72, 129,478.38 and 51,383.64

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Solution

The fourth proportional to 93,825.72, 129,478.38 and 51,383.64 is: 70,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,825.72 : 129,478.38 = 51,383.64 : x
  2. Step 2: Convert to fraction form
    93,825.72/129,478.38 = 51,383.64/x
  3. Step 3: Cross multiply
    93,825.72x = 129,478.38 × 51,383.64
  4. Step 4: Simplify right side
    93,825.72x = 6,653,070,465.70
  5. Step 5: Solve for x
    x = 6,653,070,465.70/93,825.72
  6. Step 6: Final answer
    x = 70,908.81

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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.