Home / 92,038.80-137,855.82-76,062.76

Finding the Fourth Proportional to 92,038.80, 137,855.82 and 76,062.76

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Solution

The fourth proportional to 92,038.80, 137,855.82 and 76,062.76 is: 113,926.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,038.80 : 137,855.82 = 76,062.76 : x
  2. Step 2: Convert to fraction form
    92,038.80/137,855.82 = 76,062.76/x
  3. Step 3: Cross multiply
    92,038.80x = 137,855.82 × 76,062.76
  4. Step 4: Simplify right side
    92,038.80x = 10,485,694,151.26
  5. Step 5: Solve for x
    x = 10,485,694,151.26/92,038.80
  6. Step 6: Final answer
    x = 113,926.89

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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.