Home / 53,921.70-80,882.55-48,219.30

Finding the Fourth Proportional to 53,921.70, 80,882.55 and 48,219.30

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Solution

The fourth proportional to 53,921.70, 80,882.55 and 48,219.30 is: 72,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,921.70 : 80,882.55 = 48,219.30 : x
  2. Step 2: Convert to fraction form
    53,921.70/80,882.55 = 48,219.30/x
  3. Step 3: Cross multiply
    53,921.70x = 80,882.55 × 48,219.30
  4. Step 4: Simplify right side
    53,921.70x = 3,900,099,943.22
  5. Step 5: Solve for x
    x = 3,900,099,943.22/53,921.70
  6. Step 6: Final answer
    x = 72,328.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.