Home / 81,304.65-112,190.63-45,491.85

Finding the Fourth Proportional to 81,304.65, 112,190.63 and 45,491.85

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Solution

The fourth proportional to 81,304.65, 112,190.63 and 45,491.85 is: 62,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,304.65 : 112,190.63 = 45,491.85 : x
  2. Step 2: Convert to fraction form
    81,304.65/112,190.63 = 45,491.85/x
  3. Step 3: Cross multiply
    81,304.65x = 112,190.63 × 45,491.85
  4. Step 4: Simplify right side
    81,304.65x = 5,103,759,083.91
  5. Step 5: Solve for x
    x = 5,103,759,083.91/81,304.65
  6. Step 6: Final answer
    x = 62,773.27

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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.