Home / 94,099.25-129,857.09-51,078.72

Finding the Fourth Proportional to 94,099.25, 129,857.09 and 51,078.72

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Solution

The fourth proportional to 94,099.25, 129,857.09 and 51,078.72 is: 70,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,099.25 : 129,857.09 = 51,078.72 : x
  2. Step 2: Convert to fraction form
    94,099.25/129,857.09 = 51,078.72/x
  3. Step 3: Cross multiply
    94,099.25x = 129,857.09 × 51,078.72
  4. Step 4: Simplify right side
    94,099.25x = 6,632,933,684.73
  5. Step 5: Solve for x
    x = 6,632,933,684.73/94,099.25
  6. Step 6: Final answer
    x = 70,488.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.