Home / 71,332.46-98,436.56-39,065.66

Finding the Fourth Proportional to 71,332.46, 98,436.56 and 39,065.66

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Solution

The fourth proportional to 71,332.46, 98,436.56 and 39,065.66 is: 53,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,332.46 : 98,436.56 = 39,065.66 : x
  2. Step 2: Convert to fraction form
    71,332.46/98,436.56 = 39,065.66/x
  3. Step 3: Cross multiply
    71,332.46x = 98,436.56 × 39,065.66
  4. Step 4: Simplify right side
    71,332.46x = 3,845,489,184.53
  5. Step 5: Solve for x
    x = 3,845,489,184.53/71,332.46
  6. Step 6: Final answer
    x = 53,909.39

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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.