Home / 73,317.24-109,972.22-42,939.45

Finding the Fourth Proportional to 73,317.24, 109,972.22 and 42,939.45

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Solution

The fourth proportional to 73,317.24, 109,972.22 and 42,939.45 is: 64,407.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,317.24 : 109,972.22 = 42,939.45 : x
  2. Step 2: Convert to fraction form
    73,317.24/109,972.22 = 42,939.45/x
  3. Step 3: Cross multiply
    73,317.24x = 109,972.22 × 42,939.45
  4. Step 4: Simplify right side
    73,317.24x = 4,722,146,427.38
  5. Step 5: Solve for x
    x = 4,722,146,427.38/73,317.24
  6. Step 6: Final answer
    x = 64,407.04

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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.