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Finding the Fourth Proportional to 92,298.97, 127,373.16 and 54,081.10

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Solution

The fourth proportional to 92,298.97, 127,373.16 and 54,081.10 is: 74,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,298.97 : 127,373.16 = 54,081.10 : x
  2. Step 2: Convert to fraction form
    92,298.97/127,373.16 = 54,081.10/x
  3. Step 3: Cross multiply
    92,298.97x = 127,373.16 × 54,081.10
  4. Step 4: Simplify right side
    92,298.97x = 6,888,480,603.28
  5. Step 5: Solve for x
    x = 6,888,480,603.28/92,298.97
  6. Step 6: Final answer
    x = 74,632.26

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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.