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Finding the Fourth Proportional to 71,037, 98,032.28 and 45,930.24

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Solution

The fourth proportional to 71,037, 98,032.28 and 45,930.24 is: 63,384.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,037 : 98,032.28 = 45,930.24 : x
  2. Step 2: Convert to fraction form
    71,037/98,032.28 = 45,930.24/x
  3. Step 3: Cross multiply
    71,037x = 98,032.28 × 45,930.24
  4. Step 4: Simplify right side
    71,037x = 4,502,645,918.50
  5. Step 5: Solve for x
    x = 4,502,645,918.50/71,037
  6. Step 6: Final answer
    x = 63,384.52

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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.