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Finding the Fourth Proportional to 92,755.73, 127,995.59 and 54,516.70

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Solution

The fourth proportional to 92,755.73, 127,995.59 and 54,516.70 is: 75,228.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,755.73 : 127,995.59 = 54,516.70 : x
  2. Step 2: Convert to fraction form
    92,755.73/127,995.59 = 54,516.70/x
  3. Step 3: Cross multiply
    92,755.73x = 127,995.59 × 54,516.70
  4. Step 4: Simplify right side
    92,755.73x = 6,977,896,757.66
  5. Step 5: Solve for x
    x = 6,977,896,757.66/92,755.73
  6. Step 6: Final answer
    x = 75,228.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.