Home / 81,922.13-113,045.33-45,620.83

Finding the Fourth Proportional to 81,922.13, 113,045.33 and 45,620.83

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Solution

The fourth proportional to 81,922.13, 113,045.33 and 45,620.83 is: 62,952.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,922.13 : 113,045.33 = 45,620.83 : x
  2. Step 2: Convert to fraction form
    81,922.13/113,045.33 = 45,620.83/x
  3. Step 3: Cross multiply
    81,922.13x = 113,045.33 × 45,620.83
  4. Step 4: Simplify right side
    81,922.13x = 5,157,221,782.22
  5. Step 5: Solve for x
    x = 5,157,221,782.22/81,922.13
  6. Step 6: Final answer
    x = 62,952.73

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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.