Home / 92,411.56-138,537.15-57,273.76

Finding the Fourth Proportional to 92,411.56, 138,537.15 and 57,273.76

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Solution

The fourth proportional to 92,411.56, 138,537.15 and 57,273.76 is: 85,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,411.56 : 138,537.15 = 57,273.76 : x
  2. Step 2: Convert to fraction form
    92,411.56/138,537.15 = 57,273.76/x
  3. Step 3: Cross multiply
    92,411.56x = 138,537.15 × 57,273.76
  4. Step 4: Simplify right side
    92,411.56x = 7,934,543,480.18
  5. Step 5: Solve for x
    x = 7,934,543,480.18/92,411.56
  6. Step 6: Final answer
    x = 85,860.94

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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.