Home / 84,296.43-126,319.50-34,315.38

Finding the Fourth Proportional to 84,296.43, 126,319.50 and 34,315.38

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Solution

The fourth proportional to 84,296.43, 126,319.50 and 34,315.38 is: 51,422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,296.43 : 126,319.50 = 34,315.38 : x
  2. Step 2: Convert to fraction form
    84,296.43/126,319.50 = 34,315.38/x
  3. Step 3: Cross multiply
    84,296.43x = 126,319.50 × 34,315.38
  4. Step 4: Simplify right side
    84,296.43x = 4,334,701,643.91
  5. Step 5: Solve for x
    x = 4,334,701,643.91/84,296.43
  6. Step 6: Final answer
    x = 51,422.13

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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.