Home / 81,799.19-112,882.74-45,989.27

Finding the Fourth Proportional to 81,799.19, 112,882.74 and 45,989.27

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Solution

The fourth proportional to 81,799.19, 112,882.74 and 45,989.27 is: 63,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,799.19 : 112,882.74 = 45,989.27 : x
  2. Step 2: Convert to fraction form
    81,799.19/112,882.74 = 45,989.27/x
  3. Step 3: Cross multiply
    81,799.19x = 112,882.74 × 45,989.27
  4. Step 4: Simplify right side
    81,799.19x = 5,191,394,243.79
  5. Step 5: Solve for x
    x = 5,191,394,243.79/81,799.19
  6. Step 6: Final answer
    x = 63,465.11

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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.