Home / 77,849.06-107,422.62-43,854.98

Finding the Fourth Proportional to 77,849.06, 107,422.62 and 43,854.98

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Solution

The fourth proportional to 77,849.06, 107,422.62 and 43,854.98 is: 60,514.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,849.06 : 107,422.62 = 43,854.98 : x
  2. Step 2: Convert to fraction form
    77,849.06/107,422.62 = 43,854.98/x
  3. Step 3: Cross multiply
    77,849.06x = 107,422.62 × 43,854.98
  4. Step 4: Simplify right side
    77,849.06x = 4,711,016,851.65
  5. Step 5: Solve for x
    x = 4,711,016,851.65/77,849.06
  6. Step 6: Final answer
    x = 60,514.76

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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.