Home / 83,091.16-124,624.49-26,936.15

Finding the Fourth Proportional to 83,091.16, 124,624.49 and 26,936.15

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Solution

The fourth proportional to 83,091.16, 124,624.49 and 26,936.15 is: 40,400.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,091.16 : 124,624.49 = 26,936.15 : x
  2. Step 2: Convert to fraction form
    83,091.16/124,624.49 = 26,936.15/x
  3. Step 3: Cross multiply
    83,091.16x = 124,624.49 × 26,936.15
  4. Step 4: Simplify right side
    83,091.16x = 3,356,904,133.19
  5. Step 5: Solve for x
    x = 3,356,904,133.19/83,091.16
  6. Step 6: Final answer
    x = 40,400.26

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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.