Home / 88,268.92-121,809.14-47,982.28

Finding the Fourth Proportional to 88,268.92, 121,809.14 and 47,982.28

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Solution

The fourth proportional to 88,268.92, 121,809.14 and 47,982.28 is: 66,214.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,268.92 : 121,809.14 = 47,982.28 : x
  2. Step 2: Convert to fraction form
    88,268.92/121,809.14 = 47,982.28/x
  3. Step 3: Cross multiply
    88,268.92x = 121,809.14 × 47,982.28
  4. Step 4: Simplify right side
    88,268.92x = 5,844,680,262.04
  5. Step 5: Solve for x
    x = 5,844,680,262.04/88,268.92
  6. Step 6: Final answer
    x = 66,214.48

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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.