Home / 115,219.13-172,828.80-32,113.13

Finding the Fourth Proportional to 115,219.13, 172,828.80 and 32,113.13

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Solution

The fourth proportional to 115,219.13, 172,828.80 and 32,113.13 is: 48,169.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,219.13 : 172,828.80 = 32,113.13 : x
  2. Step 2: Convert to fraction form
    115,219.13/172,828.80 = 32,113.13/x
  3. Step 3: Cross multiply
    115,219.13x = 172,828.80 × 32,113.13
  4. Step 4: Simplify right side
    115,219.13x = 5,550,073,722.14
  5. Step 5: Solve for x
    x = 5,550,073,722.14/115,219.13
  6. Step 6: Final answer
    x = 48,169.72

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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.