Home / 89,979.33-134,851.93-36,609.11

Finding the Fourth Proportional to 89,979.33, 134,851.93 and 36,609.11

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Solution

The fourth proportional to 89,979.33, 134,851.93 and 36,609.11 is: 54,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,979.33 : 134,851.93 = 36,609.11 : x
  2. Step 2: Convert to fraction form
    89,979.33/134,851.93 = 36,609.11/x
  3. Step 3: Cross multiply
    89,979.33x = 134,851.93 × 36,609.11
  4. Step 4: Simplify right side
    89,979.33x = 4,936,808,373.30
  5. Step 5: Solve for x
    x = 4,936,808,373.30/89,979.33
  6. Step 6: Final answer
    x = 54,866.03

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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.