Home / 84,386.79-126,517.77-51,099.03

Finding the Fourth Proportional to 84,386.79, 126,517.77 and 51,099.03

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Solution

The fourth proportional to 84,386.79, 126,517.77 and 51,099.03 is: 76,610.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,386.79 : 126,517.77 = 51,099.03 : x
  2. Step 2: Convert to fraction form
    84,386.79/126,517.77 = 51,099.03/x
  3. Step 3: Cross multiply
    84,386.79x = 126,517.77 × 51,099.03
  4. Step 4: Simplify right side
    84,386.79x = 6,464,935,324.76
  5. Step 5: Solve for x
    x = 6,464,935,324.76/84,386.79
  6. Step 6: Final answer
    x = 76,610.75

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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.