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Finding the Fourth Proportional to 59.42, 89.01 and 49.89

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Solution

The fourth proportional to 59.42, 89.01 and 49.89 is: 74.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.42 : 89.01 = 49.89 : x
  2. Step 2: Convert to fraction form
    59.42/89.01 = 49.89/x
  3. Step 3: Cross multiply
    59.42x = 89.01 × 49.89
  4. Step 4: Simplify right side
    59.42x = 4,440.71
  5. Step 5: Solve for x
    x = 4,440.71/59.42
  6. Step 6: Final answer
    x = 74.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.