Home / 56,839.76-85,249.32-15,277.04

Finding the Fourth Proportional to 56,839.76, 85,249.32 and 15,277.04

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Solution

The fourth proportional to 56,839.76, 85,249.32 and 15,277.04 is: 22,912.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,839.76 : 85,249.32 = 15,277.04 : x
  2. Step 2: Convert to fraction form
    56,839.76/85,249.32 = 15,277.04/x
  3. Step 3: Cross multiply
    56,839.76x = 85,249.32 × 15,277.04
  4. Step 4: Simplify right side
    56,839.76x = 1,302,357,271.61
  5. Step 5: Solve for x
    x = 1,302,357,271.61/56,839.76
  6. Step 6: Final answer
    x = 22,912.79

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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.