Home / 65,905.45-98,837.72-23,780.06

Finding the Fourth Proportional to 65,905.45, 98,837.72 and 23,780.06

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Solution

The fourth proportional to 65,905.45, 98,837.72 and 23,780.06 is: 35,662.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,905.45 : 98,837.72 = 23,780.06 : x
  2. Step 2: Convert to fraction form
    65,905.45/98,837.72 = 23,780.06/x
  3. Step 3: Cross multiply
    65,905.45x = 98,837.72 × 23,780.06
  4. Step 4: Simplify right side
    65,905.45x = 2,350,366,758.59
  5. Step 5: Solve for x
    x = 2,350,366,758.59/65,905.45
  6. Step 6: Final answer
    x = 35,662.71

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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.