Home / 65,066.10-97,600.77-18,318.66

Finding the Fourth Proportional to 65,066.10, 97,600.77 and 18,318.66

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Solution

The fourth proportional to 65,066.10, 97,600.77 and 18,318.66 is: 27,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,066.10 : 97,600.77 = 18,318.66 : x
  2. Step 2: Convert to fraction form
    65,066.10/97,600.77 = 18,318.66/x
  3. Step 3: Cross multiply
    65,066.10x = 97,600.77 × 18,318.66
  4. Step 4: Simplify right side
    65,066.10x = 1,787,915,321.37
  5. Step 5: Solve for x
    x = 1,787,915,321.37/65,066.10
  6. Step 6: Final answer
    x = 27,478.45

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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.