Home / 55,282.06-76,291.26-31,412.74

Finding the Fourth Proportional to 55,282.06, 76,291.26 and 31,412.74

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Solution

The fourth proportional to 55,282.06, 76,291.26 and 31,412.74 is: 43,350.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,282.06 : 76,291.26 = 31,412.74 : x
  2. Step 2: Convert to fraction form
    55,282.06/76,291.26 = 31,412.74/x
  3. Step 3: Cross multiply
    55,282.06x = 76,291.26 × 31,412.74
  4. Step 4: Simplify right side
    55,282.06x = 2,396,517,514.65
  5. Step 5: Solve for x
    x = 2,396,517,514.65/55,282.06
  6. Step 6: Final answer
    x = 43,350.73

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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.