Home / 82,186.74-123,206.10-29,559.23

Finding the Fourth Proportional to 82,186.74, 123,206.10 and 29,559.23

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Solution

The fourth proportional to 82,186.74, 123,206.10 and 29,559.23 is: 44,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,186.74 : 123,206.10 = 29,559.23 : x
  2. Step 2: Convert to fraction form
    82,186.74/123,206.10 = 29,559.23/x
  3. Step 3: Cross multiply
    82,186.74x = 123,206.10 × 29,559.23
  4. Step 4: Simplify right side
    82,186.74x = 3,641,876,831.27
  5. Step 5: Solve for x
    x = 3,641,876,831.27/82,186.74
  6. Step 6: Final answer
    x = 44,312.22

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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.