Home / 84,293.76-126,439.80-34,362.12

Finding the Fourth Proportional to 84,293.76, 126,439.80 and 34,362.12

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Solution

The fourth proportional to 84,293.76, 126,439.80 and 34,362.12 is: 51,542.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,293.76 : 126,439.80 = 34,362.12 : x
  2. Step 2: Convert to fraction form
    84,293.76/126,439.80 = 34,362.12/x
  3. Step 3: Cross multiply
    84,293.76x = 126,439.80 × 34,362.12
  4. Step 4: Simplify right side
    84,293.76x = 4,344,739,580.38
  5. Step 5: Solve for x
    x = 4,344,739,580.38/84,293.76
  6. Step 6: Final answer
    x = 51,542.84

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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.