Home / 88,728.28-122,439.78-51,002.56

Finding the Fourth Proportional to 88,728.28, 122,439.78 and 51,002.56

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Solution

The fourth proportional to 88,728.28, 122,439.78 and 51,002.56 is: 70,380.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,728.28 : 122,439.78 = 51,002.56 : x
  2. Step 2: Convert to fraction form
    88,728.28/122,439.78 = 51,002.56/x
  3. Step 3: Cross multiply
    88,728.28x = 122,439.78 × 51,002.56
  4. Step 4: Simplify right side
    88,728.28x = 6,244,742,225.84
  5. Step 5: Solve for x
    x = 6,244,742,225.84/88,728.28
  6. Step 6: Final answer
    x = 70,380.52

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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.