Home / 84,300.93-126,326.25-34,319.88

Finding the Fourth Proportional to 84,300.93, 126,326.25 and 34,319.88

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Solution

The fourth proportional to 84,300.93, 126,326.25 and 34,319.88 is: 51,428.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,300.93 : 126,326.25 = 34,319.88 : x
  2. Step 2: Convert to fraction form
    84,300.93/126,326.25 = 34,319.88/x
  3. Step 3: Cross multiply
    84,300.93x = 126,326.25 × 34,319.88
  4. Step 4: Simplify right side
    84,300.93x = 4,335,501,740.85
  5. Step 5: Solve for x
    x = 4,335,501,740.85/84,300.93
  6. Step 6: Final answer
    x = 51,428.87

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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.