Home / 89,392.14-134,144.78-49,975.11

Finding the Fourth Proportional to 89,392.14, 134,144.78 and 49,975.11

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Solution

The fourth proportional to 89,392.14, 134,144.78 and 49,975.11 is: 74,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,392.14 : 134,144.78 = 49,975.11 : x
  2. Step 2: Convert to fraction form
    89,392.14/134,144.78 = 49,975.11/x
  3. Step 3: Cross multiply
    89,392.14x = 134,144.78 × 49,975.11
  4. Step 4: Simplify right side
    89,392.14x = 6,703,899,886.55
  5. Step 5: Solve for x
    x = 6,703,899,886.55/89,392.14
  6. Step 6: Final answer
    x = 74,994.29

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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.