Home / 88,412.73-121,979.43-50,168.04

Finding the Fourth Proportional to 88,412.73, 121,979.43 and 50,168.04

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Solution

The fourth proportional to 88,412.73, 121,979.43 and 50,168.04 is: 69,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,412.73 : 121,979.43 = 50,168.04 : x
  2. Step 2: Convert to fraction form
    88,412.73/121,979.43 = 50,168.04/x
  3. Step 3: Cross multiply
    88,412.73x = 121,979.43 × 50,168.04
  4. Step 4: Simplify right side
    88,412.73x = 6,119,468,923.42
  5. Step 5: Solve for x
    x = 6,119,468,923.42/88,412.73
  6. Step 6: Final answer
    x = 69,214.79

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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.