Home / 89,954.15-124,134.36-49,667.04

Finding the Fourth Proportional to 89,954.15, 124,134.36 and 49,667.04

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Solution

The fourth proportional to 89,954.15, 124,134.36 and 49,667.04 is: 68,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,954.15 : 124,134.36 = 49,667.04 : x
  2. Step 2: Convert to fraction form
    89,954.15/124,134.36 = 49,667.04/x
  3. Step 3: Cross multiply
    89,954.15x = 124,134.36 × 49,667.04
  4. Step 4: Simplify right side
    89,954.15x = 6,165,385,975.16
  5. Step 5: Solve for x
    x = 6,165,385,975.16/89,954.15
  6. Step 6: Final answer
    x = 68,539.21

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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.