Home / 54,831.26-75,667.38-29,680.76

Finding the Fourth Proportional to 54,831.26, 75,667.38 and 29,680.76

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Solution

The fourth proportional to 54,831.26, 75,667.38 and 29,680.76 is: 40,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,831.26 : 75,667.38 = 29,680.76 : x
  2. Step 2: Convert to fraction form
    54,831.26/75,667.38 = 29,680.76/x
  3. Step 3: Cross multiply
    54,831.26x = 75,667.38 × 29,680.76
  4. Step 4: Simplify right side
    54,831.26x = 2,245,865,345.61
  5. Step 5: Solve for x
    x = 2,245,865,345.61/54,831.26
  6. Step 6: Final answer
    x = 40,959.58

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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.