Home / 71,329.25-98,433.16-39,497.46

Finding the Fourth Proportional to 71,329.25, 98,433.16 and 39,497.46

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Solution

The fourth proportional to 71,329.25, 98,433.16 and 39,497.46 is: 54,505.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,329.25 : 98,433.16 = 39,497.46 : x
  2. Step 2: Convert to fraction form
    71,329.25/98,433.16 = 39,497.46/x
  3. Step 3: Cross multiply
    71,329.25x = 98,433.16 × 39,497.46
  4. Step 4: Simplify right side
    71,329.25x = 3,887,859,799.77
  5. Step 5: Solve for x
    x = 3,887,859,799.77/71,329.25
  6. Step 6: Final answer
    x = 54,505.83

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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.