Home / 67,559.07-101,353.10-20,177.90

Finding the Fourth Proportional to 67,559.07, 101,353.10 and 20,177.90

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Solution

The fourth proportional to 67,559.07, 101,353.10 and 20,177.90 is: 30,271.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,559.07 : 101,353.10 = 20,177.90 : x
  2. Step 2: Convert to fraction form
    67,559.07/101,353.10 = 20,177.90/x
  3. Step 3: Cross multiply
    67,559.07x = 101,353.10 × 20,177.90
  4. Step 4: Simplify right side
    67,559.07x = 2,045,092,716.49
  5. Step 5: Solve for x
    x = 2,045,092,716.49/67,559.07
  6. Step 6: Final answer
    x = 30,271.18

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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.