Home / 81,366.24-112,296.48-49,102.44

Finding the Fourth Proportional to 81,366.24, 112,296.48 and 49,102.44

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Solution

The fourth proportional to 81,366.24, 112,296.48 and 49,102.44 is: 67,768.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,366.24 : 112,296.48 = 49,102.44 : x
  2. Step 2: Convert to fraction form
    81,366.24/112,296.48 = 49,102.44/x
  3. Step 3: Cross multiply
    81,366.24x = 112,296.48 × 49,102.44
  4. Step 4: Simplify right side
    81,366.24x = 5,514,031,171.41
  5. Step 5: Solve for x
    x = 5,514,031,171.41/81,366.24
  6. Step 6: Final answer
    x = 67,768.05

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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.