Home / 93,540.49-129,116.64-74,455.27

Finding the Fourth Proportional to 93,540.49, 129,116.64 and 74,455.27

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Solution

The fourth proportional to 93,540.49, 129,116.64 and 74,455.27 is: 102,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,540.49 : 129,116.64 = 74,455.27 : x
  2. Step 2: Convert to fraction form
    93,540.49/129,116.64 = 74,455.27/x
  3. Step 3: Cross multiply
    93,540.49x = 129,116.64 × 74,455.27
  4. Step 4: Simplify right side
    93,540.49x = 9,613,414,292.69
  5. Step 5: Solve for x
    x = 9,613,414,292.69/93,540.49
  6. Step 6: Final answer
    x = 102,772.76

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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.