Home / 94,311.09-130,149.41-51,868.71

Finding the Fourth Proportional to 94,311.09, 130,149.41 and 51,868.71

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Solution

The fourth proportional to 94,311.09, 130,149.41 and 51,868.71 is: 71,578.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,311.09 : 130,149.41 = 51,868.71 : x
  2. Step 2: Convert to fraction form
    94,311.09/130,149.41 = 51,868.71/x
  3. Step 3: Cross multiply
    94,311.09x = 130,149.41 × 51,868.71
  4. Step 4: Simplify right side
    94,311.09x = 6,750,681,744.62
  5. Step 5: Solve for x
    x = 6,750,681,744.62/94,311.09
  6. Step 6: Final answer
    x = 71,578.88

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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.