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Finding the Fourth Proportional to 61,470.46, 92,048.79 and 49,008.67

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Solution

The fourth proportional to 61,470.46, 92,048.79 and 49,008.67 is: 73,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,470.46 : 92,048.79 = 49,008.67 : x
  2. Step 2: Convert to fraction form
    61,470.46/92,048.79 = 49,008.67/x
  3. Step 3: Cross multiply
    61,470.46x = 92,048.79 × 49,008.67
  4. Step 4: Simplify right side
    61,470.46x = 4,511,188,773.01
  5. Step 5: Solve for x
    x = 4,511,188,773.01/61,470.46
  6. Step 6: Final answer
    x = 73,387.91

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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.