Home / 67,778.38-101,681.17-23,406.76

Finding the Fourth Proportional to 67,778.38, 101,681.17 and 23,406.76

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Solution

The fourth proportional to 67,778.38, 101,681.17 and 23,406.76 is: 35,114.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,778.38 : 101,681.17 = 23,406.76 : x
  2. Step 2: Convert to fraction form
    67,778.38/101,681.17 = 23,406.76/x
  3. Step 3: Cross multiply
    67,778.38x = 101,681.17 × 23,406.76
  4. Step 4: Simplify right side
    67,778.38x = 2,380,026,742.71
  5. Step 5: Solve for x
    x = 2,380,026,742.71/67,778.38
  6. Step 6: Final answer
    x = 35,114.84

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1.5x scale

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.