Home / 84,446.32-126,606.56-28,253.20

Finding the Fourth Proportional to 84,446.32, 126,606.56 and 28,253.20

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Solution

The fourth proportional to 84,446.32, 126,606.56 and 28,253.20 is: 42,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,446.32 : 126,606.56 = 28,253.20 : x
  2. Step 2: Convert to fraction form
    84,446.32/126,606.56 = 28,253.20/x
  3. Step 3: Cross multiply
    84,446.32x = 126,606.56 × 28,253.20
  4. Step 4: Simplify right side
    84,446.32x = 3,577,040,460.99
  5. Step 5: Solve for x
    x = 3,577,040,460.99/84,446.32
  6. Step 6: Final answer
    x = 42,358.75

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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.