Home / 82,131.08-113,341.14-44,405.60

Finding the Fourth Proportional to 82,131.08, 113,341.14 and 44,405.60

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Solution

The fourth proportional to 82,131.08, 113,341.14 and 44,405.60 is: 61,279.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,131.08 : 113,341.14 = 44,405.60 : x
  2. Step 2: Convert to fraction form
    82,131.08/113,341.14 = 44,405.60/x
  3. Step 3: Cross multiply
    82,131.08x = 113,341.14 × 44,405.60
  4. Step 4: Simplify right side
    82,131.08x = 5,032,981,326.38
  5. Step 5: Solve for x
    x = 5,032,981,326.38/82,131.08
  6. Step 6: Final answer
    x = 61,279.86

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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.