Home / 82,197.54-113,432.65-57,061.62

Finding the Fourth Proportional to 82,197.54, 113,432.65 and 57,061.62

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Solution

The fourth proportional to 82,197.54, 113,432.65 and 57,061.62 is: 78,745.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,197.54 : 113,432.65 = 57,061.62 : x
  2. Step 2: Convert to fraction form
    82,197.54/113,432.65 = 57,061.62/x
  3. Step 3: Cross multiply
    82,197.54x = 113,432.65 × 57,061.62
  4. Step 4: Simplify right side
    82,197.54x = 6,472,650,769.89
  5. Step 5: Solve for x
    x = 6,472,650,769.89/82,197.54
  6. Step 6: Final answer
    x = 78,745.07

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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.