Home / 57,763.28-86,653.18-17,785.64

Finding the Fourth Proportional to 57,763.28, 86,653.18 and 17,785.64

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Solution

The fourth proportional to 57,763.28, 86,653.18 and 17,785.64 is: 26,681.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,763.28 : 86,653.18 = 17,785.64 : x
  2. Step 2: Convert to fraction form
    57,763.28/86,653.18 = 17,785.64/x
  3. Step 3: Cross multiply
    57,763.28x = 86,653.18 × 17,785.64
  4. Step 4: Simplify right side
    57,763.28x = 1,541,182,175.41
  5. Step 5: Solve for x
    x = 1,541,182,175.41/57,763.28
  6. Step 6: Final answer
    x = 26,681.00

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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.