Home / 89,993.18-124,191.78-49,706.84

Finding the Fourth Proportional to 89,993.18, 124,191.78 and 49,706.84

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Solution

The fourth proportional to 89,993.18, 124,191.78 and 49,706.84 is: 68,596.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,993.18 : 124,191.78 = 49,706.84 : x
  2. Step 2: Convert to fraction form
    89,993.18/124,191.78 = 49,706.84/x
  3. Step 3: Cross multiply
    89,993.18x = 124,191.78 × 49,706.84
  4. Step 4: Simplify right side
    89,993.18x = 6,173,180,937.78
  5. Step 5: Solve for x
    x = 6,173,180,937.78/89,993.18
  6. Step 6: Final answer
    x = 68,596.10

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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.