Home / 60,517.16-90,776.15-21,074.15

Finding the Fourth Proportional to 60,517.16, 90,776.15 and 21,074.15

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Solution

The fourth proportional to 60,517.16, 90,776.15 and 21,074.15 is: 31,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,517.16 : 90,776.15 = 21,074.15 : x
  2. Step 2: Convert to fraction form
    60,517.16/90,776.15 = 21,074.15/x
  3. Step 3: Cross multiply
    60,517.16x = 90,776.15 × 21,074.15
  4. Step 4: Simplify right side
    60,517.16x = 1,913,029,642.27
  5. Step 5: Solve for x
    x = 1,913,029,642.27/60,517.16
  6. Step 6: Final answer
    x = 31,611.36

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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.