Home / 115,856.10-173,787.39-40,965.66

Finding the Fourth Proportional to 115,856.10, 173,787.39 and 40,965.66

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Solution

The fourth proportional to 115,856.10, 173,787.39 and 40,965.66 is: 61,449.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,856.10 : 173,787.39 = 40,965.66 : x
  2. Step 2: Convert to fraction form
    115,856.10/173,787.39 = 40,965.66/x
  3. Step 3: Cross multiply
    115,856.10x = 173,787.39 × 40,965.66
  4. Step 4: Simplify right side
    115,856.10x = 7,119,315,131.03
  5. Step 5: Solve for x
    x = 7,119,315,131.03/115,856.10
  6. Step 6: Final answer
    x = 61,449.64

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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.