Home / 84,233.07-126,237.69-36,776.43

Finding the Fourth Proportional to 84,233.07, 126,237.69 and 36,776.43

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Solution

The fourth proportional to 84,233.07, 126,237.69 and 36,776.43 is: 55,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,233.07 : 126,237.69 = 36,776.43 : x
  2. Step 2: Convert to fraction form
    84,233.07/126,237.69 = 36,776.43/x
  3. Step 3: Cross multiply
    84,233.07x = 126,237.69 × 36,776.43
  4. Step 4: Simplify right side
    84,233.07x = 4,642,571,569.65
  5. Step 5: Solve for x
    x = 4,642,571,569.65/84,233.07
  6. Step 6: Final answer
    x = 55,115.78

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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.