Home / 65,716.75-98,780.89-43,371.02

Finding the Fourth Proportional to 65,716.75, 98,780.89 and 43,371.02

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Solution

The fourth proportional to 65,716.75, 98,780.89 and 43,371.02 is: 65,192.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,716.75 : 98,780.89 = 43,371.02 : x
  2. Step 2: Convert to fraction form
    65,716.75/98,780.89 = 43,371.02/x
  3. Step 3: Cross multiply
    65,716.75x = 98,780.89 × 43,371.02
  4. Step 4: Simplify right side
    65,716.75x = 4,284,227,955.81
  5. Step 5: Solve for x
    x = 4,284,227,955.81/65,716.75
  6. Step 6: Final answer
    x = 65,192.33

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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.