Home / 91,839.07-137,627.07-52,314.58

Finding the Fourth Proportional to 91,839.07, 137,627.07 and 52,314.58

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Solution

The fourth proportional to 91,839.07, 137,627.07 and 52,314.58 is: 78,396.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,839.07 : 137,627.07 = 52,314.58 : x
  2. Step 2: Convert to fraction form
    91,839.07/137,627.07 = 52,314.58/x
  3. Step 3: Cross multiply
    91,839.07x = 137,627.07 × 52,314.58
  4. Step 4: Simplify right side
    91,839.07x = 7,199,902,363.68
  5. Step 5: Solve for x
    x = 7,199,902,363.68/91,839.07
  6. Step 6: Final answer
    x = 78,396.94

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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.