Home / 88,711.20-122,420.47-48,424.64

Finding the Fourth Proportional to 88,711.20, 122,420.47 and 48,424.64

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Solution

The fourth proportional to 88,711.20, 122,420.47 and 48,424.64 is: 66,825.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,711.20 : 122,420.47 = 48,424.64 : x
  2. Step 2: Convert to fraction form
    88,711.20/122,420.47 = 48,424.64/x
  3. Step 3: Cross multiply
    88,711.20x = 122,420.47 × 48,424.64
  4. Step 4: Simplify right side
    88,711.20x = 5,928,167,188.38
  5. Step 5: Solve for x
    x = 5,928,167,188.38/88,711.20
  6. Step 6: Final answer
    x = 66,825.46

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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.