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Finding the Fourth Proportional to 58.89, 87.92 and 52.06

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Solution

The fourth proportional to 58.89, 87.92 and 52.06 is: 77.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.89 : 87.92 = 52.06 : x
  2. Step 2: Convert to fraction form
    58.89/87.92 = 52.06/x
  3. Step 3: Cross multiply
    58.89x = 87.92 × 52.06
  4. Step 4: Simplify right side
    58.89x = 4,577.12
  5. Step 5: Solve for x
    x = 4,577.12/58.89
  6. Step 6: Final answer
    x = 77.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.