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Finding the Fourth Proportional to 89,291.44, 133,933.44 and 36,699.52

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Solution

The fourth proportional to 89,291.44, 133,933.44 and 36,699.52 is: 55,047.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,291.44 : 133,933.44 = 36,699.52 : x
  2. Step 2: Convert to fraction form
    89,291.44/133,933.44 = 36,699.52/x
  3. Step 3: Cross multiply
    89,291.44x = 133,933.44 × 36,699.52
  4. Step 4: Simplify right side
    89,291.44x = 4,915,292,959.95
  5. Step 5: Solve for x
    x = 4,915,292,959.95/89,291.44
  6. Step 6: Final answer
    x = 55,047.75

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1.5x scale

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.