Home / 54,831.12-75,667.08-29,680.56

Finding the Fourth Proportional to 54,831.12, 75,667.08 and 29,680.56

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Solution

The fourth proportional to 54,831.12, 75,667.08 and 29,680.56 is: 40,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,831.12 : 75,667.08 = 29,680.56 : x
  2. Step 2: Convert to fraction form
    54,831.12/75,667.08 = 29,680.56/x
  3. Step 3: Cross multiply
    54,831.12x = 75,667.08 × 29,680.56
  4. Step 4: Simplify right side
    54,831.12x = 2,245,841,307.96
  5. Step 5: Solve for x
    x = 2,245,841,307.96/54,831.12
  6. Step 6: Final answer
    x = 40,959.25

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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.