Home / 84,138.35-126,262.29-44,723.14

Finding the Fourth Proportional to 84,138.35, 126,262.29 and 44,723.14

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Solution

The fourth proportional to 84,138.35, 126,262.29 and 44,723.14 is: 67,113.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,138.35 : 126,262.29 = 44,723.14 : x
  2. Step 2: Convert to fraction form
    84,138.35/126,262.29 = 44,723.14/x
  3. Step 3: Cross multiply
    84,138.35x = 126,262.29 × 44,723.14
  4. Step 4: Simplify right side
    84,138.35x = 5,646,845,924.45
  5. Step 5: Solve for x
    x = 5,646,845,924.45/84,138.35
  6. Step 6: Final answer
    x = 67,113.82

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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.