Home / 67,129.10-100,697.40-22,148.70

Finding the Fourth Proportional to 67,129.10, 100,697.40 and 22,148.70

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Solution

The fourth proportional to 67,129.10, 100,697.40 and 22,148.70 is: 33,224.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,129.10 : 100,697.40 = 22,148.70 : x
  2. Step 2: Convert to fraction form
    67,129.10/100,697.40 = 22,148.70/x
  3. Step 3: Cross multiply
    67,129.10x = 100,697.40 × 22,148.70
  4. Step 4: Simplify right side
    67,129.10x = 2,230,316,503.38
  5. Step 5: Solve for x
    x = 2,230,316,503.38/67,129.10
  6. Step 6: Final answer
    x = 33,224.29

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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.