Home / 88,923.20-122,724.60-51,204.80

Finding the Fourth Proportional to 88,923.20, 122,724.60 and 51,204.80

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Solution

The fourth proportional to 88,923.20, 122,724.60 and 51,204.80 is: 70,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,923.20 : 122,724.60 = 51,204.80 : x
  2. Step 2: Convert to fraction form
    88,923.20/122,724.60 = 51,204.80/x
  3. Step 3: Cross multiply
    88,923.20x = 122,724.60 × 51,204.80
  4. Step 4: Simplify right side
    88,923.20x = 6,284,088,598.08
  5. Step 5: Solve for x
    x = 6,284,088,598.08/88,923.20
  6. Step 6: Final answer
    x = 70,668.72

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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.