Home / 42,275.00-63,343.23-25,640.43

Finding the Fourth Proportional to 42,275.00, 63,343.23 and 25,640.43

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Solution

The fourth proportional to 42,275.00, 63,343.23 and 25,640.43 is: 38,418.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,275.00 : 63,343.23 = 25,640.43 : x
  2. Step 2: Convert to fraction form
    42,275.00/63,343.23 = 25,640.43/x
  3. Step 3: Cross multiply
    42,275.00x = 63,343.23 × 25,640.43
  4. Step 4: Simplify right side
    42,275.00x = 1,624,147,654.79
  5. Step 5: Solve for x
    x = 1,624,147,654.79/42,275.00
  6. Step 6: Final answer
    x = 38,418.64

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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.