Home / 100,902.30-151,385.85-44,720.70

Finding the Fourth Proportional to 100,902.30, 151,385.85 and 44,720.70

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Solution

The fourth proportional to 100,902.30, 151,385.85 and 44,720.70 is: 67,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,902.30 : 151,385.85 = 44,720.70 : x
  2. Step 2: Convert to fraction form
    100,902.30/151,385.85 = 44,720.70/x
  3. Step 3: Cross multiply
    100,902.30x = 151,385.85 × 44,720.70
  4. Step 4: Simplify right side
    100,902.30x = 6,770,081,182.10
  5. Step 5: Solve for x
    x = 6,770,081,182.10/100,902.30
  6. Step 6: Final answer
    x = 67,095.41

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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.