Home / 89,954.64-124,134.15-49,667.53

Finding the Fourth Proportional to 89,954.64, 124,134.15 and 49,667.53

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Solution

The fourth proportional to 89,954.64, 124,134.15 and 49,667.53 is: 68,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,954.64 : 124,134.15 = 49,667.53 : x
  2. Step 2: Convert to fraction form
    89,954.64/124,134.15 = 49,667.53/x
  3. Step 3: Cross multiply
    89,954.64x = 124,134.15 × 49,667.53
  4. Step 4: Simplify right side
    89,954.64x = 6,165,436,619.15
  5. Step 5: Solve for x
    x = 6,165,436,619.15/89,954.64
  6. Step 6: Final answer
    x = 68,539.40

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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.