Home / 84,459.11-126,708.37-24,488.84

Finding the Fourth Proportional to 84,459.11, 126,708.37 and 24,488.84

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Solution

The fourth proportional to 84,459.11, 126,708.37 and 24,488.84 is: 36,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,459.11 : 126,708.37 = 24,488.84 : x
  2. Step 2: Convert to fraction form
    84,459.11/126,708.37 = 24,488.84/x
  3. Step 3: Cross multiply
    84,459.11x = 126,708.37 × 24,488.84
  4. Step 4: Simplify right side
    84,459.11x = 3,102,940,999.59
  5. Step 5: Solve for x
    x = 3,102,940,999.59/84,459.11
  6. Step 6: Final answer
    x = 36,738.97

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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.