Home / 71,922.09-99,250.20-45,079.10

Finding the Fourth Proportional to 71,922.09, 99,250.20 and 45,079.10

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Solution

The fourth proportional to 71,922.09, 99,250.20 and 45,079.10 is: 62,207.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,922.09 : 99,250.20 = 45,079.10 : x
  2. Step 2: Convert to fraction form
    71,922.09/99,250.20 = 45,079.10/x
  3. Step 3: Cross multiply
    71,922.09x = 99,250.20 × 45,079.10
  4. Step 4: Simplify right side
    71,922.09x = 4,474,109,690.82
  5. Step 5: Solve for x
    x = 4,474,109,690.82/71,922.09
  6. Step 6: Final answer
    x = 62,207.73

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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.