Home / 89,938.35-124,113.31-49,651.26

Finding the Fourth Proportional to 89,938.35, 124,113.31 and 49,651.26

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Solution

The fourth proportional to 89,938.35, 124,113.31 and 49,651.26 is: 68,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,938.35 : 124,113.31 = 49,651.26 : x
  2. Step 2: Convert to fraction form
    89,938.35/124,113.31 = 49,651.26/x
  3. Step 3: Cross multiply
    89,938.35x = 124,113.31 × 49,651.26
  4. Step 4: Simplify right side
    89,938.35x = 6,162,381,634.72
  5. Step 5: Solve for x
    x = 6,162,381,634.72/89,938.35
  6. Step 6: Final answer
    x = 68,517.84

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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.