Home / 73,127.49-109,691.25-26,380.35

Finding the Fourth Proportional to 73,127.49, 109,691.25 and 26,380.35

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Solution

The fourth proportional to 73,127.49, 109,691.25 and 26,380.35 is: 39,570.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,127.49 : 109,691.25 = 26,380.35 : x
  2. Step 2: Convert to fraction form
    73,127.49/109,691.25 = 26,380.35/x
  3. Step 3: Cross multiply
    73,127.49x = 109,691.25 × 26,380.35
  4. Step 4: Simplify right side
    73,127.49x = 2,893,693,566.94
  5. Step 5: Solve for x
    x = 2,893,693,566.94/73,127.49
  6. Step 6: Final answer
    x = 39,570.53

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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.