Home / 58,781.20-81,117.74-31,923.48

Finding the Fourth Proportional to 58,781.20, 81,117.74 and 31,923.48

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Solution

The fourth proportional to 58,781.20, 81,117.74 and 31,923.48 is: 44,054.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,781.20 : 81,117.74 = 31,923.48 : x
  2. Step 2: Convert to fraction form
    58,781.20/81,117.74 = 31,923.48/x
  3. Step 3: Cross multiply
    58,781.20x = 81,117.74 × 31,923.48
  4. Step 4: Simplify right side
    58,781.20x = 2,589,560,550.54
  5. Step 5: Solve for x
    x = 2,589,560,550.54/58,781.20
  6. Step 6: Final answer
    x = 44,054.23

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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.