Home / 84,222.48-126,340.44-49,165.68

Finding the Fourth Proportional to 84,222.48, 126,340.44 and 49,165.68

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Solution

The fourth proportional to 84,222.48, 126,340.44 and 49,165.68 is: 73,752.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,222.48 : 126,340.44 = 49,165.68 : x
  2. Step 2: Convert to fraction form
    84,222.48/126,340.44 = 49,165.68/x
  3. Step 3: Cross multiply
    84,222.48x = 126,340.44 × 49,165.68
  4. Step 4: Simplify right side
    84,222.48x = 6,211,613,644.10
  5. Step 5: Solve for x
    x = 6,211,613,644.10/84,222.48
  6. Step 6: Final answer
    x = 73,752.44

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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.