Home / 84,273.28-126,368.64-49,221.76

Finding the Fourth Proportional to 84,273.28, 126,368.64 and 49,221.76

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Solution

The fourth proportional to 84,273.28, 126,368.64 and 49,221.76 is: 73,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,273.28 : 126,368.64 = 49,221.76 : x
  2. Step 2: Convert to fraction form
    84,273.28/126,368.64 = 49,221.76/x
  3. Step 3: Cross multiply
    84,273.28x = 126,368.64 × 49,221.76
  4. Step 4: Simplify right side
    84,273.28x = 6,220,086,869.61
  5. Step 5: Solve for x
    x = 6,220,086,869.61/84,273.28
  6. Step 6: Final answer
    x = 73,808.53

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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.