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Finding the Fourth Proportional to 92,552.75, 138,724.18 and 42,529.48

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Solution

The fourth proportional to 92,552.75, 138,724.18 and 42,529.48 is: 63,746.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,552.75 : 138,724.18 = 42,529.48 : x
  2. Step 2: Convert to fraction form
    92,552.75/138,724.18 = 42,529.48/x
  3. Step 3: Cross multiply
    92,552.75x = 138,724.18 × 42,529.48
  4. Step 4: Simplify right side
    92,552.75x = 5,899,867,506.21
  5. Step 5: Solve for x
    x = 5,899,867,506.21/92,552.75
  6. Step 6: Final answer
    x = 63,746.00

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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.