Home / 115,117.22-172,356.95-58,836.13

Finding the Fourth Proportional to 115,117.22, 172,356.95 and 58,836.13

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Solution

The fourth proportional to 115,117.22, 172,356.95 and 58,836.13 is: 88,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,117.22 : 172,356.95 = 58,836.13 : x
  2. Step 2: Convert to fraction form
    115,117.22/172,356.95 = 58,836.13/x
  3. Step 3: Cross multiply
    115,117.22x = 172,356.95 × 58,836.13
  4. Step 4: Simplify right side
    115,117.22x = 10,140,815,632.80
  5. Step 5: Solve for x
    x = 10,140,815,632.80/115,117.22
  6. Step 6: Final answer
    x = 88,091.21

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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.