Home / 84,641.51-126,951.87-49,122.15

Finding the Fourth Proportional to 84,641.51, 126,951.87 and 49,122.15

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Solution

The fourth proportional to 84,641.51, 126,951.87 and 49,122.15 is: 73,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,641.51 : 126,951.87 = 49,122.15 : x
  2. Step 2: Convert to fraction form
    84,641.51/126,951.87 = 49,122.15/x
  3. Step 3: Cross multiply
    84,641.51x = 126,951.87 × 49,122.15
  4. Step 4: Simplify right side
    84,641.51x = 6,236,148,800.92
  5. Step 5: Solve for x
    x = 6,236,148,800.92/84,641.51
  6. Step 6: Final answer
    x = 73,677.20

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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.