Home / 89,169.26-133,774.47-30,003.48

Finding the Fourth Proportional to 89,169.26, 133,774.47 and 30,003.48

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Solution

The fourth proportional to 89,169.26, 133,774.47 and 30,003.48 is: 45,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,169.26 : 133,774.47 = 30,003.48 : x
  2. Step 2: Convert to fraction form
    89,169.26/133,774.47 = 30,003.48/x
  3. Step 3: Cross multiply
    89,169.26x = 133,774.47 × 30,003.48
  4. Step 4: Simplify right side
    89,169.26x = 4,013,699,635.16
  5. Step 5: Solve for x
    x = 4,013,699,635.16/89,169.26
  6. Step 6: Final answer
    x = 45,012.15

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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.