Home / 92,229.28-138,122.14-52,666.48

Finding the Fourth Proportional to 92,229.28, 138,122.14 and 52,666.48

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Solution

The fourth proportional to 92,229.28, 138,122.14 and 52,666.48 is: 78,873.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,229.28 : 138,122.14 = 52,666.48 : x
  2. Step 2: Convert to fraction form
    92,229.28/138,122.14 = 52,666.48/x
  3. Step 3: Cross multiply
    92,229.28x = 138,122.14 × 52,666.48
  4. Step 4: Simplify right side
    92,229.28x = 7,274,406,923.87
  5. Step 5: Solve for x
    x = 7,274,406,923.87/92,229.28
  6. Step 6: Final answer
    x = 78,873.08

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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.