Home / 84,367.10-126,747.47-49,331.36

Finding the Fourth Proportional to 84,367.10, 126,747.47 and 49,331.36

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Solution

The fourth proportional to 84,367.10, 126,747.47 and 49,331.36 is: 74,112.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,367.10 : 126,747.47 = 49,331.36 : x
  2. Step 2: Convert to fraction form
    84,367.10/126,747.47 = 49,331.36/x
  3. Step 3: Cross multiply
    84,367.10x = 126,747.47 × 49,331.36
  4. Step 4: Simplify right side
    84,367.10x = 6,252,624,561.25
  5. Step 5: Solve for x
    x = 6,252,624,561.25/84,367.10
  6. Step 6: Final answer
    x = 74,112.12

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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.