Home / 75,257.46-103,765.51-48,401.10

Finding the Fourth Proportional to 75,257.46, 103,765.51 and 48,401.10

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Solution

The fourth proportional to 75,257.46, 103,765.51 and 48,401.10 is: 66,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,257.46 : 103,765.51 = 48,401.10 : x
  2. Step 2: Convert to fraction form
    75,257.46/103,765.51 = 48,401.10/x
  3. Step 3: Cross multiply
    75,257.46x = 103,765.51 × 48,401.10
  4. Step 4: Simplify right side
    75,257.46x = 5,022,364,826.06
  5. Step 5: Solve for x
    x = 5,022,364,826.06/75,257.46
  6. Step 6: Final answer
    x = 66,735.77

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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.