Home / 67,471.52-93,113.69-38,800.49

Finding the Fourth Proportional to 67,471.52, 93,113.69 and 38,800.49

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Solution

The fourth proportional to 67,471.52, 93,113.69 and 38,800.49 is: 53,546.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,471.52 : 93,113.69 = 38,800.49 : x
  2. Step 2: Convert to fraction form
    67,471.52/93,113.69 = 38,800.49/x
  3. Step 3: Cross multiply
    67,471.52x = 93,113.69 × 38,800.49
  4. Step 4: Simplify right side
    67,471.52x = 3,612,856,138.14
  5. Step 5: Solve for x
    x = 3,612,856,138.14/67,471.52
  6. Step 6: Final answer
    x = 53,546.39

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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.