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Finding the Fourth Proportional to 92,581.48, 127,770.31 and 52,302.64

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Solution

The fourth proportional to 92,581.48, 127,770.31 and 52,302.64 is: 72,182.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,581.48 : 127,770.31 = 52,302.64 : x
  2. Step 2: Convert to fraction form
    92,581.48/127,770.31 = 52,302.64/x
  3. Step 3: Cross multiply
    92,581.48x = 127,770.31 × 52,302.64
  4. Step 4: Simplify right side
    92,581.48x = 6,682,724,152.79
  5. Step 5: Solve for x
    x = 6,682,724,152.79/92,581.48
  6. Step 6: Final answer
    x = 72,182.08

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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.