Home / 115,001.13-172,443.33-52,618.17

Finding the Fourth Proportional to 115,001.13, 172,443.33 and 52,618.17

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Solution

The fourth proportional to 115,001.13, 172,443.33 and 52,618.17 is: 78,900.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,001.13 : 172,443.33 = 52,618.17 : x
  2. Step 2: Convert to fraction form
    115,001.13/172,443.33 = 52,618.17/x
  3. Step 3: Cross multiply
    115,001.13x = 172,443.33 × 52,618.17
  4. Step 4: Simplify right side
    115,001.13x = 9,073,652,453.31
  5. Step 5: Solve for x
    x = 9,073,652,453.31/115,001.13
  6. Step 6: Final answer
    x = 78,900.55

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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.