Home / 81,346.03-112,256.11-45,046.75

Finding the Fourth Proportional to 81,346.03, 112,256.11 and 45,046.75

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Solution

The fourth proportional to 81,346.03, 112,256.11 and 45,046.75 is: 62,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,346.03 : 112,256.11 = 45,046.75 : x
  2. Step 2: Convert to fraction form
    81,346.03/112,256.11 = 45,046.75/x
  3. Step 3: Cross multiply
    81,346.03x = 112,256.11 × 45,046.75
  4. Step 4: Simplify right side
    81,346.03x = 5,056,772,923.14
  5. Step 5: Solve for x
    x = 5,056,772,923.14/81,346.03
  6. Step 6: Final answer
    x = 62,163.73

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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.