Home / 56,403.83-77,872.67-36,295.65

Finding the Fourth Proportional to 56,403.83, 77,872.67 and 36,295.65

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Solution

The fourth proportional to 56,403.83, 77,872.67 and 36,295.65 is: 50,110.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,403.83 : 77,872.67 = 36,295.65 : x
  2. Step 2: Convert to fraction form
    56,403.83/77,872.67 = 36,295.65/x
  3. Step 3: Cross multiply
    56,403.83x = 77,872.67 × 36,295.65
  4. Step 4: Simplify right side
    56,403.83x = 2,826,439,421.54
  5. Step 5: Solve for x
    x = 2,826,439,421.54/56,403.83
  6. Step 6: Final answer
    x = 50,110.78

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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.