Home / 82,131.75-113,301.06-53,050.11

Finding the Fourth Proportional to 82,131.75, 113,301.06 and 53,050.11

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Solution

The fourth proportional to 82,131.75, 113,301.06 and 53,050.11 is: 73,182.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,131.75 : 113,301.06 = 53,050.11 : x
  2. Step 2: Convert to fraction form
    82,131.75/113,301.06 = 53,050.11/x
  3. Step 3: Cross multiply
    82,131.75x = 113,301.06 × 53,050.11
  4. Step 4: Simplify right side
    82,131.75x = 6,010,633,696.12
  5. Step 5: Solve for x
    x = 6,010,633,696.12/82,131.75
  6. Step 6: Final answer
    x = 73,182.83

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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.