Home / 91,627.20-137,397.48-35,493.60

Finding the Fourth Proportional to 91,627.20, 137,397.48 and 35,493.60

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Solution

The fourth proportional to 91,627.20, 137,397.48 and 35,493.60 is: 53,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,627.20 : 137,397.48 = 35,493.60 : x
  2. Step 2: Convert to fraction form
    91,627.20/137,397.48 = 35,493.60/x
  3. Step 3: Cross multiply
    91,627.20x = 137,397.48 × 35,493.60
  4. Step 4: Simplify right side
    91,627.20x = 4,876,731,196.13
  5. Step 5: Solve for x
    x = 4,876,731,196.13/91,627.20
  6. Step 6: Final answer
    x = 53,223.62

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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.