Home / 115,344.12-172,819.32-62,659.26

Finding the Fourth Proportional to 115,344.12, 172,819.32 and 62,659.26

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Solution

The fourth proportional to 115,344.12, 172,819.32 and 62,659.26 is: 93,881.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,344.12 : 172,819.32 = 62,659.26 : x
  2. Step 2: Convert to fraction form
    115,344.12/172,819.32 = 62,659.26/x
  3. Step 3: Cross multiply
    115,344.12x = 172,819.32 × 62,659.26
  4. Step 4: Simplify right side
    115,344.12x = 10,828,730,704.90
  5. Step 5: Solve for x
    x = 10,828,730,704.90/115,344.12
  6. Step 6: Final answer
    x = 93,881.95

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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.