Home / 115,001.12-172,490.34-36,113.24

Finding the Fourth Proportional to 115,001.12, 172,490.34 and 36,113.24

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Solution

The fourth proportional to 115,001.12, 172,490.34 and 36,113.24 is: 54,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,001.12 : 172,490.34 = 36,113.24 : x
  2. Step 2: Convert to fraction form
    115,001.12/172,490.34 = 36,113.24/x
  3. Step 3: Cross multiply
    115,001.12x = 172,490.34 × 36,113.24
  4. Step 4: Simplify right side
    115,001.12x = 6,229,185,046.10
  5. Step 5: Solve for x
    x = 6,229,185,046.10/115,001.12
  6. Step 6: Final answer
    x = 54,166.30

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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.