Home / 91,748.17-137,657.31-35,627.68

Finding the Fourth Proportional to 91,748.17, 137,657.31 and 35,627.68

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Solution

The fourth proportional to 91,748.17, 137,657.31 and 35,627.68 is: 53,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,748.17 : 137,657.31 = 35,627.68 : x
  2. Step 2: Convert to fraction form
    91,748.17/137,657.31 = 35,627.68/x
  3. Step 3: Cross multiply
    91,748.17x = 137,657.31 × 35,627.68
  4. Step 4: Simplify right side
    91,748.17x = 4,904,410,590.34
  5. Step 5: Solve for x
    x = 4,904,410,590.34/91,748.17
  6. Step 6: Final answer
    x = 53,455.13

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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.