Home / 92,037.79-137,854.32-76,061.76

Finding the Fourth Proportional to 92,037.79, 137,854.32 and 76,061.76

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Solution

The fourth proportional to 92,037.79, 137,854.32 and 76,061.76 is: 113,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,037.79 : 137,854.32 = 76,061.76 : x
  2. Step 2: Convert to fraction form
    92,037.79/137,854.32 = 76,061.76/x
  3. Step 3: Cross multiply
    92,037.79x = 137,854.32 × 76,061.76
  4. Step 4: Simplify right side
    92,037.79x = 10,485,442,202.80
  5. Step 5: Solve for x
    x = 10,485,442,202.80/92,037.79
  6. Step 6: Final answer
    x = 113,925.40

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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.