Home / 103,680.95-155,548.62-32,600.71

Finding the Fourth Proportional to 103,680.95, 155,548.62 and 32,600.71

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Solution

The fourth proportional to 103,680.95, 155,548.62 and 32,600.71 is: 48,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,680.95 : 155,548.62 = 32,600.71 : x
  2. Step 2: Convert to fraction form
    103,680.95/155,548.62 = 32,600.71/x
  3. Step 3: Cross multiply
    103,680.95x = 155,548.62 × 32,600.71
  4. Step 4: Simplify right side
    103,680.95x = 5,070,995,062.65
  5. Step 5: Solve for x
    x = 5,070,995,062.65/103,680.95
  6. Step 6: Final answer
    x = 48,909.61

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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.