Home / 72,319.17-108,548.82-34,905.54

Finding the Fourth Proportional to 72,319.17, 108,548.82 and 34,905.54

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Solution

The fourth proportional to 72,319.17, 108,548.82 and 34,905.54 is: 52,392.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,319.17 : 108,548.82 = 34,905.54 : x
  2. Step 2: Convert to fraction form
    72,319.17/108,548.82 = 34,905.54/x
  3. Step 3: Cross multiply
    72,319.17x = 108,548.82 × 34,905.54
  4. Step 4: Simplify right side
    72,319.17x = 3,788,955,178.46
  5. Step 5: Solve for x
    x = 3,788,955,178.46/72,319.17
  6. Step 6: Final answer
    x = 52,392.13

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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.