Home / 57,726.05-86,594.00-20,282.87

Finding the Fourth Proportional to 57,726.05, 86,594.00 and 20,282.87

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Solution

The fourth proportional to 57,726.05, 86,594.00 and 20,282.87 is: 30,426.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,726.05 : 86,594.00 = 20,282.87 : x
  2. Step 2: Convert to fraction form
    57,726.05/86,594.00 = 20,282.87/x
  3. Step 3: Cross multiply
    57,726.05x = 86,594.00 × 20,282.87
  4. Step 4: Simplify right side
    57,726.05x = 1,756,374,959.85
  5. Step 5: Solve for x
    x = 1,756,374,959.85/57,726.05
  6. Step 6: Final answer
    x = 30,426.04

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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.