Home / 81,799.44-112,882.68-45,989.52

Finding the Fourth Proportional to 81,799.44, 112,882.68 and 45,989.52

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Solution

The fourth proportional to 81,799.44, 112,882.68 and 45,989.52 is: 63,465.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,799.44 : 112,882.68 = 45,989.52 : x
  2. Step 2: Convert to fraction form
    81,799.44/112,882.68 = 45,989.52/x
  3. Step 3: Cross multiply
    81,799.44x = 112,882.68 × 45,989.52
  4. Step 4: Simplify right side
    81,799.44x = 5,191,420,269.51
  5. Step 5: Solve for x
    x = 5,191,420,269.51/81,799.44
  6. Step 6: Final answer
    x = 63,465.23

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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.