Home / 84,367.47-126,748.05-49,331.73

Finding the Fourth Proportional to 84,367.47, 126,748.05 and 49,331.73

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Solution

The fourth proportional to 84,367.47, 126,748.05 and 49,331.73 is: 74,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,367.47 : 126,748.05 = 49,331.73 : x
  2. Step 2: Convert to fraction form
    84,367.47/126,748.05 = 49,331.73/x
  3. Step 3: Cross multiply
    84,367.47x = 126,748.05 × 49,331.73
  4. Step 4: Simplify right side
    84,367.47x = 6,252,700,580.63
  5. Step 5: Solve for x
    x = 6,252,700,580.63/84,367.47
  6. Step 6: Final answer
    x = 74,112.70

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1.5x scale

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.