Home / 62,190.78-85,867.47-38,324.94

Finding the Fourth Proportional to 62,190.78, 85,867.47 and 38,324.94

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Solution

The fourth proportional to 62,190.78, 85,867.47 and 38,324.94 is: 52,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,190.78 : 85,867.47 = 38,324.94 : x
  2. Step 2: Convert to fraction form
    62,190.78/85,867.47 = 38,324.94/x
  3. Step 3: Cross multiply
    62,190.78x = 85,867.47 × 38,324.94
  4. Step 4: Simplify right side
    62,190.78x = 3,290,865,635.70
  5. Step 5: Solve for x
    x = 3,290,865,635.70/62,190.78
  6. Step 6: Final answer
    x = 52,915.65

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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.