Home / 87,831.54-121,200.46-49,600.37

Finding the Fourth Proportional to 87,831.54, 121,200.46 and 49,600.37

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Solution

The fourth proportional to 87,831.54, 121,200.46 and 49,600.37 is: 68,444.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,831.54 : 121,200.46 = 49,600.37 : x
  2. Step 2: Convert to fraction form
    87,831.54/121,200.46 = 49,600.37/x
  3. Step 3: Cross multiply
    87,831.54x = 121,200.46 × 49,600.37
  4. Step 4: Simplify right side
    87,831.54x = 6,011,587,839.17
  5. Step 5: Solve for x
    x = 6,011,587,839.17/87,831.54
  6. Step 6: Final answer
    x = 68,444.52

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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.