Home / 82,128.30-113,337.18-44,402.54

Finding the Fourth Proportional to 82,128.30, 113,337.18 and 44,402.54

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Solution

The fourth proportional to 82,128.30, 113,337.18 and 44,402.54 is: 61,275.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,128.30 : 113,337.18 = 44,402.54 : x
  2. Step 2: Convert to fraction form
    82,128.30/113,337.18 = 44,402.54/x
  3. Step 3: Cross multiply
    82,128.30x = 113,337.18 × 44,402.54
  4. Step 4: Simplify right side
    82,128.30x = 5,032,458,668.44
  5. Step 5: Solve for x
    x = 5,032,458,668.44/82,128.30
  6. Step 6: Final answer
    x = 61,275.57

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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.