Home / 67,780.68-101,649.60-63,358.26

Finding the Fourth Proportional to 67,780.68, 101,649.60 and 63,358.26

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Solution

The fourth proportional to 67,780.68, 101,649.60 and 63,358.26 is: 95,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,780.68 : 101,649.60 = 63,358.26 : x
  2. Step 2: Convert to fraction form
    67,780.68/101,649.60 = 63,358.26/x
  3. Step 3: Cross multiply
    67,780.68x = 101,649.60 × 63,358.26
  4. Step 4: Simplify right side
    67,780.68x = 6,440,341,785.70
  5. Step 5: Solve for x
    x = 6,440,341,785.70/67,780.68
  6. Step 6: Final answer
    x = 95,017.37

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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.