Home / 56,311.60-77,620.68-44,356

Finding the Fourth Proportional to 56,311.60, 77,620.68 and 44,356

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Solution

The fourth proportional to 56,311.60, 77,620.68 and 44,356 is: 61,140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,311.60 : 77,620.68 = 44,356 : x
  2. Step 2: Convert to fraction form
    56,311.60/77,620.68 = 44,356/x
  3. Step 3: Cross multiply
    56,311.60x = 77,620.68 × 44,356
  4. Step 4: Simplify right side
    56,311.60x = 3,442,942,882.08
  5. Step 5: Solve for x
    x = 3,442,942,882.08/56,311.60
  6. Step 6: Final answer
    x = 61,140.92

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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.