Home / 71,191.47-98,235.57-39,355.95

Finding the Fourth Proportional to 71,191.47, 98,235.57 and 39,355.95

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Solution

The fourth proportional to 71,191.47, 98,235.57 and 39,355.95 is: 54,306.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,191.47 : 98,235.57 = 39,355.95 : x
  2. Step 2: Convert to fraction form
    71,191.47/98,235.57 = 39,355.95/x
  3. Step 3: Cross multiply
    71,191.47x = 98,235.57 × 39,355.95
  4. Step 4: Simplify right side
    71,191.47x = 3,866,154,181.14
  5. Step 5: Solve for x
    x = 3,866,154,181.14/71,191.47
  6. Step 6: Final answer
    x = 54,306.42

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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.