Home / 91,640.04-137,481.93-32,480.88

Finding the Fourth Proportional to 91,640.04, 137,481.93 and 32,480.88

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Solution

The fourth proportional to 91,640.04, 137,481.93 and 32,480.88 is: 48,729.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,640.04 : 137,481.93 = 32,480.88 : x
  2. Step 2: Convert to fraction form
    91,640.04/137,481.93 = 32,480.88/x
  3. Step 3: Cross multiply
    91,640.04x = 137,481.93 × 32,480.88
  4. Step 4: Simplify right side
    91,640.04x = 4,465,534,070.50
  5. Step 5: Solve for x
    x = 4,465,534,070.50/91,640.04
  6. Step 6: Final answer
    x = 48,729.07

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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.