Home / 71,153.73-98,192.12-39,322.35

Finding the Fourth Proportional to 71,153.73, 98,192.12 and 39,322.35

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Solution

The fourth proportional to 71,153.73, 98,192.12 and 39,322.35 is: 54,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,153.73 : 98,192.12 = 39,322.35 : x
  2. Step 2: Convert to fraction form
    71,153.73/98,192.12 = 39,322.35/x
  3. Step 3: Cross multiply
    71,153.73x = 98,192.12 × 39,322.35
  4. Step 4: Simplify right side
    71,153.73x = 3,861,144,713.27
  5. Step 5: Solve for x
    x = 3,861,144,713.27/71,153.73
  6. Step 6: Final answer
    x = 54,264.83

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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.