Home / 60,018.20-89,979.05-41,242.60

Finding the Fourth Proportional to 60,018.20, 89,979.05 and 41,242.60

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Solution

The fourth proportional to 60,018.20, 89,979.05 and 41,242.60 is: 61,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,018.20 : 89,979.05 = 41,242.60 : x
  2. Step 2: Convert to fraction form
    60,018.20/89,979.05 = 41,242.60/x
  3. Step 3: Cross multiply
    60,018.20x = 89,979.05 × 41,242.60
  4. Step 4: Simplify right side
    60,018.20x = 3,710,970,183.11
  5. Step 5: Solve for x
    x = 3,710,970,183.11/60,018.20
  6. Step 6: Final answer
    x = 61,830.75

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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.