Home / 65,708.10-98,551.37-18,326.42

Finding the Fourth Proportional to 65,708.10, 98,551.37 and 18,326.42

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Solution

The fourth proportional to 65,708.10, 98,551.37 and 18,326.42 is: 27,486.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,708.10 : 98,551.37 = 18,326.42 : x
  2. Step 2: Convert to fraction form
    65,708.10/98,551.37 = 18,326.42/x
  3. Step 3: Cross multiply
    65,708.10x = 98,551.37 × 18,326.42
  4. Step 4: Simplify right side
    65,708.10x = 1,806,093,213.81
  5. Step 5: Solve for x
    x = 1,806,093,213.81/65,708.10
  6. Step 6: Final answer
    x = 27,486.61

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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.