Home / 71,468.19-98,632.17-39,647.34

Finding the Fourth Proportional to 71,468.19, 98,632.17 and 39,647.34

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Solution

The fourth proportional to 71,468.19, 98,632.17 and 39,647.34 is: 54,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,468.19 : 98,632.17 = 39,647.34 : x
  2. Step 2: Convert to fraction form
    71,468.19/98,632.17 = 39,647.34/x
  3. Step 3: Cross multiply
    71,468.19x = 98,632.17 × 39,647.34
  4. Step 4: Simplify right side
    71,468.19x = 3,910,503,400.12
  5. Step 5: Solve for x
    x = 3,910,503,400.12/71,468.19
  6. Step 6: Final answer
    x = 54,716.70

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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.