Home / 60,190.05-90,231.37-28,580.61

Finding the Fourth Proportional to 60,190.05, 90,231.37 and 28,580.61

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Solution

The fourth proportional to 60,190.05, 90,231.37 and 28,580.61 is: 42,845.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,190.05 : 90,231.37 = 28,580.61 : x
  2. Step 2: Convert to fraction form
    60,190.05/90,231.37 = 28,580.61/x
  3. Step 3: Cross multiply
    60,190.05x = 90,231.37 × 28,580.61
  4. Step 4: Simplify right side
    60,190.05x = 2,578,867,595.74
  5. Step 5: Solve for x
    x = 2,578,867,595.74/60,190.05
  6. Step 6: Final answer
    x = 42,845.41

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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.