Home / 71,546.14-98,728.73-39,712.53

Finding the Fourth Proportional to 71,546.14, 98,728.73 and 39,712.53

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Solution

The fourth proportional to 71,546.14, 98,728.73 and 39,712.53 is: 54,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,546.14 : 98,728.73 = 39,712.53 : x
  2. Step 2: Convert to fraction form
    71,546.14/98,728.73 = 39,712.53/x
  3. Step 3: Cross multiply
    71,546.14x = 98,728.73 × 39,712.53
  4. Step 4: Simplify right side
    71,546.14x = 3,920,767,874.68
  5. Step 5: Solve for x
    x = 3,920,767,874.68/71,546.14
  6. Step 6: Final answer
    x = 54,800.55

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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.