Home / 88,241.92-121,719-52,406.08

Finding the Fourth Proportional to 88,241.92, 121,719 and 52,406.08

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Solution

The fourth proportional to 88,241.92, 121,719 and 52,406.08 is: 72,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,241.92 : 121,719 = 52,406.08 : x
  2. Step 2: Convert to fraction form
    88,241.92/121,719 = 52,406.08/x
  3. Step 3: Cross multiply
    88,241.92x = 121,719 × 52,406.08
  4. Step 4: Simplify right side
    88,241.92x = 6,378,815,651.52
  5. Step 5: Solve for x
    x = 6,378,815,651.52/88,241.92
  6. Step 6: Final answer
    x = 72,287.82

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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.