Home / 71,447.16-107,084.78-26,432.63

Finding the Fourth Proportional to 71,447.16, 107,084.78 and 26,432.63

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Solution

The fourth proportional to 71,447.16, 107,084.78 and 26,432.63 is: 39,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,447.16 : 107,084.78 = 26,432.63 : x
  2. Step 2: Convert to fraction form
    71,447.16/107,084.78 = 26,432.63/x
  3. Step 3: Cross multiply
    71,447.16x = 107,084.78 × 26,432.63
  4. Step 4: Simplify right side
    71,447.16x = 2,830,532,350.16
  5. Step 5: Solve for x
    x = 2,830,532,350.16/71,447.16
  6. Step 6: Final answer
    x = 39,617.14

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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.