Home / 84,062.48-126,008.66-54,499.10

Finding the Fourth Proportional to 84,062.48, 126,008.66 and 54,499.10

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Solution

The fourth proportional to 84,062.48, 126,008.66 and 54,499.10 is: 81,693.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,062.48 : 126,008.66 = 54,499.10 : x
  2. Step 2: Convert to fraction form
    84,062.48/126,008.66 = 54,499.10/x
  3. Step 3: Cross multiply
    84,062.48x = 126,008.66 × 54,499.10
  4. Step 4: Simplify right side
    84,062.48x = 6,867,358,562.21
  5. Step 5: Solve for x
    x = 6,867,358,562.21/84,062.48
  6. Step 6: Final answer
    x = 81,693.50

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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.