Home / 89,349.80-133,976.10-36,764.60

Finding the Fourth Proportional to 89,349.80, 133,976.10 and 36,764.60

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Solution

The fourth proportional to 89,349.80, 133,976.10 and 36,764.60 is: 55,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,349.80 : 133,976.10 = 36,764.60 : x
  2. Step 2: Convert to fraction form
    89,349.80/133,976.10 = 36,764.60/x
  3. Step 3: Cross multiply
    89,349.80x = 133,976.10 × 36,764.60
  4. Step 4: Simplify right side
    89,349.80x = 4,925,577,726.06
  5. Step 5: Solve for x
    x = 4,925,577,726.06/89,349.80
  6. Step 6: Final answer
    x = 55,126.90

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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.