Home / 104,363.30-156,314.55-42,001.70

Finding the Fourth Proportional to 104,363.30, 156,314.55 and 42,001.70

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Solution

The fourth proportional to 104,363.30, 156,314.55 and 42,001.70 is: 62,909.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,363.30 : 156,314.55 = 42,001.70 : x
  2. Step 2: Convert to fraction form
    104,363.30/156,314.55 = 42,001.70/x
  3. Step 3: Cross multiply
    104,363.30x = 156,314.55 × 42,001.70
  4. Step 4: Simplify right side
    104,363.30x = 6,565,476,834.74
  5. Step 5: Solve for x
    x = 6,565,476,834.74/104,363.30
  6. Step 6: Final answer
    x = 62,909.82

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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.