Home / 71,731.64-107,611.98-24,988.16

Finding the Fourth Proportional to 71,731.64, 107,611.98 and 24,988.16

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Solution

The fourth proportional to 71,731.64, 107,611.98 and 24,988.16 is: 37,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,731.64 : 107,611.98 = 24,988.16 : x
  2. Step 2: Convert to fraction form
    71,731.64/107,611.98 = 24,988.16/x
  3. Step 3: Cross multiply
    71,731.64x = 107,611.98 × 24,988.16
  4. Step 4: Simplify right side
    71,731.64x = 2,689,025,374.16
  5. Step 5: Solve for x
    x = 2,689,025,374.16/71,731.64
  6. Step 6: Final answer
    x = 37,487.30

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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.