Home / 123,554.97-185,330.43-39,320.24

Finding the Fourth Proportional to 123,554.97, 185,330.43 and 39,320.24

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Solution

The fourth proportional to 123,554.97, 185,330.43 and 39,320.24 is: 58,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,554.97 : 185,330.43 = 39,320.24 : x
  2. Step 2: Convert to fraction form
    123,554.97/185,330.43 = 39,320.24/x
  3. Step 3: Cross multiply
    123,554.97x = 185,330.43 × 39,320.24
  4. Step 4: Simplify right side
    123,554.97x = 7,287,236,060.25
  5. Step 5: Solve for x
    x = 7,287,236,060.25/123,554.97
  6. Step 6: Final answer
    x = 58,979.71

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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.