Home / 51,700.40-77,505.24-26,687.60

Finding the Fourth Proportional to 51,700.40, 77,505.24 and 26,687.60

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Solution

The fourth proportional to 51,700.40, 77,505.24 and 26,687.60 is: 40,007.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,700.40 : 77,505.24 = 26,687.60 : x
  2. Step 2: Convert to fraction form
    51,700.40/77,505.24 = 26,687.60/x
  3. Step 3: Cross multiply
    51,700.40x = 77,505.24 × 26,687.60
  4. Step 4: Simplify right side
    51,700.40x = 2,068,428,843.02
  5. Step 5: Solve for x
    x = 2,068,428,843.02/51,700.40
  6. Step 6: Final answer
    x = 40,007.99

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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.