Home / 100,557.17-150,834.90-40,584.72

Finding the Fourth Proportional to 100,557.17, 150,834.90 and 40,584.72

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Solution

The fourth proportional to 100,557.17, 150,834.90 and 40,584.72 is: 60,876.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,557.17 : 150,834.90 = 40,584.72 : x
  2. Step 2: Convert to fraction form
    100,557.17/150,834.90 = 40,584.72/x
  3. Step 3: Cross multiply
    100,557.17x = 150,834.90 × 40,584.72
  4. Step 4: Simplify right side
    100,557.17x = 6,121,592,182.73
  5. Step 5: Solve for x
    x = 6,121,592,182.73/100,557.17
  6. Step 6: Final answer
    x = 60,876.74

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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.