Home / 82,025.52-113,200.56-61,846.80

Finding the Fourth Proportional to 82,025.52, 113,200.56 and 61,846.80

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Solution

The fourth proportional to 82,025.52, 113,200.56 and 61,846.80 is: 85,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,025.52 : 113,200.56 = 61,846.80 : x
  2. Step 2: Convert to fraction form
    82,025.52/113,200.56 = 61,846.80/x
  3. Step 3: Cross multiply
    82,025.52x = 113,200.56 × 61,846.80
  4. Step 4: Simplify right side
    82,025.52x = 7,001,092,394.21
  5. Step 5: Solve for x
    x = 7,001,092,394.21/82,025.52
  6. Step 6: Final answer
    x = 85,352.61

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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.