Home / 65,534.57-90,409.37-41,316.48

Finding the Fourth Proportional to 65,534.57, 90,409.37 and 41,316.48

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Solution

The fourth proportional to 65,534.57, 90,409.37 and 41,316.48 is: 56,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,534.57 : 90,409.37 = 41,316.48 : x
  2. Step 2: Convert to fraction form
    65,534.57/90,409.37 = 41,316.48/x
  3. Step 3: Cross multiply
    65,534.57x = 90,409.37 × 41,316.48
  4. Step 4: Simplify right side
    65,534.57x = 3,735,396,720.84
  5. Step 5: Solve for x
    x = 3,735,396,720.84/65,534.57
  6. Step 6: Final answer
    x = 56,998.88

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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.