Home / 56,785.43-78,382.26-36,626.76

Finding the Fourth Proportional to 56,785.43, 78,382.26 and 36,626.76

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Solution

The fourth proportional to 56,785.43, 78,382.26 and 36,626.76 is: 50,556.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,785.43 : 78,382.26 = 36,626.76 : x
  2. Step 2: Convert to fraction form
    56,785.43/78,382.26 = 36,626.76/x
  3. Step 3: Cross multiply
    56,785.43x = 78,382.26 × 36,626.76
  4. Step 4: Simplify right side
    56,785.43x = 2,870,888,225.28
  5. Step 5: Solve for x
    x = 2,870,888,225.28/56,785.43
  6. Step 6: Final answer
    x = 50,556.78

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1.5x scale

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.