Home / 65,331.78-90,196.51-41,153.47

Finding the Fourth Proportional to 65,331.78, 90,196.51 and 41,153.47

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Solution

The fourth proportional to 65,331.78, 90,196.51 and 41,153.47 is: 56,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,331.78 : 90,196.51 = 41,153.47 : x
  2. Step 2: Convert to fraction form
    65,331.78/90,196.51 = 41,153.47/x
  3. Step 3: Cross multiply
    65,331.78x = 90,196.51 × 41,153.47
  4. Step 4: Simplify right side
    65,331.78x = 3,711,899,162.62
  5. Step 5: Solve for x
    x = 3,711,899,162.62/65,331.78
  6. Step 6: Final answer
    x = 56,816.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.