Home / 75,967.49-113,662.10-45,870.95

Finding the Fourth Proportional to 75,967.49, 113,662.10 and 45,870.95

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Solution

The fourth proportional to 75,967.49, 113,662.10 and 45,870.95 is: 68,631.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,967.49 : 113,662.10 = 45,870.95 : x
  2. Step 2: Convert to fraction form
    75,967.49/113,662.10 = 45,870.95/x
  3. Step 3: Cross multiply
    75,967.49x = 113,662.10 × 45,870.95
  4. Step 4: Simplify right side
    75,967.49x = 5,213,787,708.33
  5. Step 5: Solve for x
    x = 5,213,787,708.33/75,967.49
  6. Step 6: Final answer
    x = 68,631.83

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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.