Home / 84,311.28-126,564.66-49,276.08

Finding the Fourth Proportional to 84,311.28, 126,564.66 and 49,276.08

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Solution

The fourth proportional to 84,311.28, 126,564.66 and 49,276.08 is: 73,971.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,311.28 : 126,564.66 = 49,276.08 : x
  2. Step 2: Convert to fraction form
    84,311.28/126,564.66 = 49,276.08/x
  3. Step 3: Cross multiply
    84,311.28x = 126,564.66 × 49,276.08
  4. Step 4: Simplify right side
    84,311.28x = 6,236,610,311.33
  5. Step 5: Solve for x
    x = 6,236,610,311.33/84,311.28
  6. Step 6: Final answer
    x = 73,971.24

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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.