Home / 56,082.75-77,395.82-30,933.87

Finding the Fourth Proportional to 56,082.75, 77,395.82 and 30,933.87

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Solution

The fourth proportional to 56,082.75, 77,395.82 and 30,933.87 is: 42,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,082.75 : 77,395.82 = 30,933.87 : x
  2. Step 2: Convert to fraction form
    56,082.75/77,395.82 = 30,933.87/x
  3. Step 3: Cross multiply
    56,082.75x = 77,395.82 × 30,933.87
  4. Step 4: Simplify right side
    56,082.75x = 2,394,152,079.75
  5. Step 5: Solve for x
    x = 2,394,152,079.75/56,082.75
  6. Step 6: Final answer
    x = 42,689.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.