Home / 75,334.32-113,020.46-53,190.95

Finding the Fourth Proportional to 75,334.32, 113,020.46 and 53,190.95

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Solution

The fourth proportional to 75,334.32, 113,020.46 and 53,190.95 is: 79,799.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,334.32 : 113,020.46 = 53,190.95 : x
  2. Step 2: Convert to fraction form
    75,334.32/113,020.46 = 53,190.95/x
  3. Step 3: Cross multiply
    75,334.32x = 113,020.46 × 53,190.95
  4. Step 4: Simplify right side
    75,334.32x = 6,011,665,304.45
  5. Step 5: Solve for x
    x = 6,011,665,304.45/75,334.32
  6. Step 6: Final answer
    x = 79,799.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.