Home / 65,203.14-90,035.49-41,372.10

Finding the Fourth Proportional to 65,203.14, 90,035.49 and 41,372.10

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Solution

The fourth proportional to 65,203.14, 90,035.49 and 41,372.10 is: 57,128.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,203.14 : 90,035.49 = 41,372.10 : x
  2. Step 2: Convert to fraction form
    65,203.14/90,035.49 = 41,372.10/x
  3. Step 3: Cross multiply
    65,203.14x = 90,035.49 × 41,372.10
  4. Step 4: Simplify right side
    65,203.14x = 3,724,957,295.83
  5. Step 5: Solve for x
    x = 3,724,957,295.83/65,203.14
  6. Step 6: Final answer
    x = 57,128.50

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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.