Home / 92,122.11-137,961.72-52,559.28

Finding the Fourth Proportional to 92,122.11, 137,961.72 and 52,559.28

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Solution

The fourth proportional to 92,122.11, 137,961.72 and 52,559.28 is: 78,712.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,122.11 : 137,961.72 = 52,559.28 : x
  2. Step 2: Convert to fraction form
    92,122.11/137,961.72 = 52,559.28/x
  3. Step 3: Cross multiply
    92,122.11x = 137,961.72 × 52,559.28
  4. Step 4: Simplify right side
    92,122.11x = 7,251,167,718.16
  5. Step 5: Solve for x
    x = 7,251,167,718.16/92,122.11
  6. Step 6: Final answer
    x = 78,712.57

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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.