Home / 72,844.22-109,239.96-25,446.08

Finding the Fourth Proportional to 72,844.22, 109,239.96 and 25,446.08

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Solution

The fourth proportional to 72,844.22, 109,239.96 and 25,446.08 is: 38,159.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,844.22 : 109,239.96 = 25,446.08 : x
  2. Step 2: Convert to fraction form
    72,844.22/109,239.96 = 25,446.08/x
  3. Step 3: Cross multiply
    72,844.22x = 109,239.96 × 25,446.08
  4. Step 4: Simplify right side
    72,844.22x = 2,779,728,761.36
  5. Step 5: Solve for x
    x = 2,779,728,761.36/72,844.22
  6. Step 6: Final answer
    x = 38,159.91

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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.