Home / 84,259.06-126,427.65-36,867.90

Finding the Fourth Proportional to 84,259.06, 126,427.65 and 36,867.90

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Solution

The fourth proportional to 84,259.06, 126,427.65 and 36,867.90 is: 55,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,259.06 : 126,427.65 = 36,867.90 : x
  2. Step 2: Convert to fraction form
    84,259.06/126,427.65 = 36,867.90/x
  3. Step 3: Cross multiply
    84,259.06x = 126,427.65 × 36,867.90
  4. Step 4: Simplify right side
    84,259.06x = 4,661,121,957.44
  5. Step 5: Solve for x
    x = 4,661,121,957.44/84,259.06
  6. Step 6: Final answer
    x = 55,318.94

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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.