Home / 84,286.41-126,428.72-48,725.10

Finding the Fourth Proportional to 84,286.41, 126,428.72 and 48,725.10

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Solution

The fourth proportional to 84,286.41, 126,428.72 and 48,725.10 is: 73,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,286.41 : 126,428.72 = 48,725.10 : x
  2. Step 2: Convert to fraction form
    84,286.41/126,428.72 = 48,725.10/x
  3. Step 3: Cross multiply
    84,286.41x = 126,428.72 × 48,725.10
  4. Step 4: Simplify right side
    84,286.41x = 6,160,251,781.25
  5. Step 5: Solve for x
    x = 6,160,251,781.25/84,286.41
  6. Step 6: Final answer
    x = 73,087.13

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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.