Home / 82,182.08-113,602.56-73,317.44

Finding the Fourth Proportional to 82,182.08, 113,602.56 and 73,317.44

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Solution

The fourth proportional to 82,182.08, 113,602.56 and 73,317.44 is: 101,348.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,182.08 : 113,602.56 = 73,317.44 : x
  2. Step 2: Convert to fraction form
    82,182.08/113,602.56 = 73,317.44/x
  3. Step 3: Cross multiply
    82,182.08x = 113,602.56 × 73,317.44
  4. Step 4: Simplify right side
    82,182.08x = 8,329,048,876.65
  5. Step 5: Solve for x
    x = 8,329,048,876.65/82,182.08
  6. Step 6: Final answer
    x = 101,348.72

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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.