Home / 84,318.68-126,477.54-34,398.52

Finding the Fourth Proportional to 84,318.68, 126,477.54 and 34,398.52

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Solution

The fourth proportional to 84,318.68, 126,477.54 and 34,398.52 is: 51,597.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,318.68 : 126,477.54 = 34,398.52 : x
  2. Step 2: Convert to fraction form
    84,318.68/126,477.54 = 34,398.52/x
  3. Step 3: Cross multiply
    84,318.68x = 126,477.54 × 34,398.52
  4. Step 4: Simplify right side
    84,318.68x = 4,350,640,189.24
  5. Step 5: Solve for x
    x = 4,350,640,189.24/84,318.68
  6. Step 6: Final answer
    x = 51,597.58

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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.