Home / 81,467.24-112,424.76-49,636.26

Finding the Fourth Proportional to 81,467.24, 112,424.76 and 49,636.26

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Solution

The fourth proportional to 81,467.24, 112,424.76 and 49,636.26 is: 68,498.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,467.24 : 112,424.76 = 49,636.26 : x
  2. Step 2: Convert to fraction form
    81,467.24/112,424.76 = 49,636.26/x
  3. Step 3: Cross multiply
    81,467.24x = 112,424.76 × 49,636.26
  4. Step 4: Simplify right side
    81,467.24x = 5,580,344,617.80
  5. Step 5: Solve for x
    x = 5,580,344,617.80/81,467.24
  6. Step 6: Final answer
    x = 68,498.02

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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.