Home / 88,975.92-122,831.20-51,242.88

Finding the Fourth Proportional to 88,975.92, 122,831.20 and 51,242.88

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Solution

The fourth proportional to 88,975.92, 122,831.20 and 51,242.88 is: 70,740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,975.92 : 122,831.20 = 51,242.88 : x
  2. Step 2: Convert to fraction form
    88,975.92/122,831.20 = 51,242.88/x
  3. Step 3: Cross multiply
    88,975.92x = 122,831.20 × 51,242.88
  4. Step 4: Simplify right side
    88,975.92x = 6,294,224,441.86
  5. Step 5: Solve for x
    x = 6,294,224,441.86/88,975.92
  6. Step 6: Final answer
    x = 70,740.76

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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.