Home / 89,207.10-133,767.45-49,722.30

Finding the Fourth Proportional to 89,207.10, 133,767.45 and 49,722.30

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Solution

The fourth proportional to 89,207.10, 133,767.45 and 49,722.30 is: 74,559.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,207.10 : 133,767.45 = 49,722.30 : x
  2. Step 2: Convert to fraction form
    89,207.10/133,767.45 = 49,722.30/x
  3. Step 3: Cross multiply
    89,207.10x = 133,767.45 × 49,722.30
  4. Step 4: Simplify right side
    89,207.10x = 6,651,225,279.14
  5. Step 5: Solve for x
    x = 6,651,225,279.14/89,207.10
  6. Step 6: Final answer
    x = 74,559.37

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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.