Home / 88,178.74-121,667.73-52,380.82

Finding the Fourth Proportional to 88,178.74, 121,667.73 and 52,380.82

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Solution

The fourth proportional to 88,178.74, 121,667.73 and 52,380.82 is: 72,274.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,178.74 : 121,667.73 = 52,380.82 : x
  2. Step 2: Convert to fraction form
    88,178.74/121,667.73 = 52,380.82/x
  3. Step 3: Cross multiply
    88,178.74x = 121,667.73 × 52,380.82
  4. Step 4: Simplify right side
    88,178.74x = 6,373,055,464.94
  5. Step 5: Solve for x
    x = 6,373,055,464.94/88,178.74
  6. Step 6: Final answer
    x = 72,274.29

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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.