Home / 124,625.90-186,716.10-75,850.40

Finding the Fourth Proportional to 124,625.90, 186,716.10 and 75,850.40

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Solution

The fourth proportional to 124,625.90, 186,716.10 and 75,850.40 is: 113,640.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,625.90 : 186,716.10 = 75,850.40 : x
  2. Step 2: Convert to fraction form
    124,625.90/186,716.10 = 75,850.40/x
  3. Step 3: Cross multiply
    124,625.90x = 186,716.10 × 75,850.40
  4. Step 4: Simplify right side
    124,625.90x = 14,162,490,871.44
  5. Step 5: Solve for x
    x = 14,162,490,871.44/124,625.90
  6. Step 6: Final answer
    x = 113,640.03

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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.