Home / 83,675.76-115,474.62-45,950.04

Finding the Fourth Proportional to 83,675.76, 115,474.62 and 45,950.04

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Solution

The fourth proportional to 83,675.76, 115,474.62 and 45,950.04 is: 63,412.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,675.76 : 115,474.62 = 45,950.04 : x
  2. Step 2: Convert to fraction form
    83,675.76/115,474.62 = 45,950.04/x
  3. Step 3: Cross multiply
    83,675.76x = 115,474.62 × 45,950.04
  4. Step 4: Simplify right side
    83,675.76x = 5,306,063,407.98
  5. Step 5: Solve for x
    x = 5,306,063,407.98/83,675.76
  6. Step 6: Final answer
    x = 63,412.19

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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.