Home / 94,700.28-130,685.68-51,679.72

Finding the Fourth Proportional to 94,700.28, 130,685.68 and 51,679.72

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Solution

The fourth proportional to 94,700.28, 130,685.68 and 51,679.72 is: 71,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,700.28 : 130,685.68 = 51,679.72 : x
  2. Step 2: Convert to fraction form
    94,700.28/130,685.68 = 51,679.72/x
  3. Step 3: Cross multiply
    94,700.28x = 130,685.68 × 51,679.72
  4. Step 4: Simplify right side
    94,700.28x = 6,753,799,350.41
  5. Step 5: Solve for x
    x = 6,753,799,350.41/94,700.28
  6. Step 6: Final answer
    x = 71,317.63

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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.