Home / 89,119.40-133,679.10-36,566.60

Finding the Fourth Proportional to 89,119.40, 133,679.10 and 36,566.60

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Solution

The fourth proportional to 89,119.40, 133,679.10 and 36,566.60 is: 54,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,119.40 : 133,679.10 = 36,566.60 : x
  2. Step 2: Convert to fraction form
    89,119.40/133,679.10 = 36,566.60/x
  3. Step 3: Cross multiply
    89,119.40x = 133,679.10 × 36,566.60
  4. Step 4: Simplify right side
    89,119.40x = 4,888,190,178.06
  5. Step 5: Solve for x
    x = 4,888,190,178.06/89,119.40
  6. Step 6: Final answer
    x = 54,849.90

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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.