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Finding the Fourth Proportional to 92,585.34, 127,648.44 and 75,572.10

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Solution

The fourth proportional to 92,585.34, 127,648.44 and 75,572.10 is: 104,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,585.34 : 127,648.44 = 75,572.10 : x
  2. Step 2: Convert to fraction form
    92,585.34/127,648.44 = 75,572.10/x
  3. Step 3: Cross multiply
    92,585.34x = 127,648.44 × 75,572.10
  4. Step 4: Simplify right side
    92,585.34x = 9,646,660,672.52
  5. Step 5: Solve for x
    x = 9,646,660,672.52/92,585.34
  6. Step 6: Final answer
    x = 104,192.10

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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.