Home / 115,347.15-172,959.03-59,164.29

Finding the Fourth Proportional to 115,347.15, 172,959.03 and 59,164.29

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Solution

The fourth proportional to 115,347.15, 172,959.03 and 59,164.29 is: 88,714.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,347.15 : 172,959.03 = 59,164.29 : x
  2. Step 2: Convert to fraction form
    115,347.15/172,959.03 = 59,164.29/x
  3. Step 3: Cross multiply
    115,347.15x = 172,959.03 × 59,164.29
  4. Step 4: Simplify right side
    115,347.15x = 10,232,998,209.04
  5. Step 5: Solve for x
    x = 10,232,998,209.04/115,347.15
  6. Step 6: Final answer
    x = 88,714.79

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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.