Home / 54,831.76-75,667.56-29,681.20

Finding the Fourth Proportional to 54,831.76, 75,667.56 and 29,681.20

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Solution

The fourth proportional to 54,831.76, 75,667.56 and 29,681.20 is: 40,959.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,831.76 : 75,667.56 = 29,681.20 : x
  2. Step 2: Convert to fraction form
    54,831.76/75,667.56 = 29,681.20/x
  3. Step 3: Cross multiply
    54,831.76x = 75,667.56 × 29,681.20
  4. Step 4: Simplify right side
    54,831.76x = 2,245,903,981.87
  5. Step 5: Solve for x
    x = 2,245,903,981.87/54,831.76
  6. Step 6: Final answer
    x = 40,959.91

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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.