Home / 52,669.28-78,987.85-27,695.78

Finding the Fourth Proportional to 52,669.28, 78,987.85 and 27,695.78

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Solution

The fourth proportional to 52,669.28, 78,987.85 and 27,695.78 is: 41,535.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,669.28 : 78,987.85 = 27,695.78 : x
  2. Step 2: Convert to fraction form
    52,669.28/78,987.85 = 27,695.78/x
  3. Step 3: Cross multiply
    52,669.28x = 78,987.85 × 27,695.78
  4. Step 4: Simplify right side
    52,669.28x = 2,187,630,116.27
  5. Step 5: Solve for x
    x = 2,187,630,116.27/52,669.28
  6. Step 6: Final answer
    x = 41,535.22

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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.