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Finding the Fourth Proportional to 89,908.80, 134,814.60 and 37,323.60

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Solution

The fourth proportional to 89,908.80, 134,814.60 and 37,323.60 is: 55,965.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,908.80 : 134,814.60 = 37,323.60 : x
  2. Step 2: Convert to fraction form
    89,908.80/134,814.60 = 37,323.60/x
  3. Step 3: Cross multiply
    89,908.80x = 134,814.60 × 37,323.60
  4. Step 4: Simplify right side
    89,908.80x = 5,031,766,204.56
  5. Step 5: Solve for x
    x = 5,031,766,204.56/89,908.80
  6. Step 6: Final answer
    x = 55,965.22

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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.