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Finding the Fourth Proportional to 60,409.65, 83,376.18 and 34,912.52

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Solution

The fourth proportional to 60,409.65, 83,376.18 and 34,912.52 is: 48,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,409.65 : 83,376.18 = 34,912.52 : x
  2. Step 2: Convert to fraction form
    60,409.65/83,376.18 = 34,912.52/x
  3. Step 3: Cross multiply
    60,409.65x = 83,376.18 × 34,912.52
  4. Step 4: Simplify right side
    60,409.65x = 2,910,872,134.89
  5. Step 5: Solve for x
    x = 2,910,872,134.89/60,409.65
  6. Step 6: Final answer
    x = 48,185.55

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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.