Home / 87,363.36-130,831.20-40,629.60

Finding the Fourth Proportional to 87,363.36, 130,831.20 and 40,629.60

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Solution

The fourth proportional to 87,363.36, 130,831.20 and 40,629.60 is: 60,844.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,363.36 : 130,831.20 = 40,629.60 : x
  2. Step 2: Convert to fraction form
    87,363.36/130,831.20 = 40,629.60/x
  3. Step 3: Cross multiply
    87,363.36x = 130,831.20 × 40,629.60
  4. Step 4: Simplify right side
    87,363.36x = 5,315,619,323.52
  5. Step 5: Solve for x
    x = 5,315,619,323.52/87,363.36
  6. Step 6: Final answer
    x = 60,844.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.