Home / 56,379.15-77,805.24-31,228.65

Finding the Fourth Proportional to 56,379.15, 77,805.24 and 31,228.65

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Solution

The fourth proportional to 56,379.15, 77,805.24 and 31,228.65 is: 43,096.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,379.15 : 77,805.24 = 31,228.65 : x
  2. Step 2: Convert to fraction form
    56,379.15/77,805.24 = 31,228.65/x
  3. Step 3: Cross multiply
    56,379.15x = 77,805.24 × 31,228.65
  4. Step 4: Simplify right side
    56,379.15x = 2,429,752,608.13
  5. Step 5: Solve for x
    x = 2,429,752,608.13/56,379.15
  6. Step 6: Final answer
    x = 43,096.65

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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.