Home / 82,211.45-113,452.10-44,485.70

Finding the Fourth Proportional to 82,211.45, 113,452.10 and 44,485.70

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Solution

The fourth proportional to 82,211.45, 113,452.10 and 44,485.70 is: 61,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,211.45 : 113,452.10 = 44,485.70 : x
  2. Step 2: Convert to fraction form
    82,211.45/113,452.10 = 44,485.70/x
  3. Step 3: Cross multiply
    82,211.45x = 113,452.10 × 44,485.70
  4. Step 4: Simplify right side
    82,211.45x = 5,046,995,295.28
  5. Step 5: Solve for x
    x = 5,046,995,295.28/82,211.45
  6. Step 6: Final answer
    x = 61,390.42

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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.