Home / 66,023.10-98,859.69-39,691.62

Finding the Fourth Proportional to 66,023.10, 98,859.69 and 39,691.62

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Solution

The fourth proportional to 66,023.10, 98,859.69 and 39,691.62 is: 59,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,023.10 : 98,859.69 = 39,691.62 : x
  2. Step 2: Convert to fraction form
    66,023.10/98,859.69 = 39,691.62/x
  3. Step 3: Cross multiply
    66,023.10x = 98,859.69 × 39,691.62
  4. Step 4: Simplify right side
    66,023.10x = 3,923,901,248.80
  5. Step 5: Solve for x
    x = 3,923,901,248.80/66,023.10
  6. Step 6: Final answer
    x = 59,432.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.