Home / 89,281.11-133,917.83-26,949.75

Finding the Fourth Proportional to 89,281.11, 133,917.83 and 26,949.75

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Solution

The fourth proportional to 89,281.11, 133,917.83 and 26,949.75 is: 40,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,281.11 : 133,917.83 = 26,949.75 : x
  2. Step 2: Convert to fraction form
    89,281.11/133,917.83 = 26,949.75/x
  3. Step 3: Cross multiply
    89,281.11x = 133,917.83 × 26,949.75
  4. Step 4: Simplify right side
    89,281.11x = 3,609,051,904.29
  5. Step 5: Solve for x
    x = 3,609,051,904.29/89,281.11
  6. Step 6: Final answer
    x = 40,423.47

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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.