Home / 65,121.14-97,675.44-20,740.02

Finding the Fourth Proportional to 65,121.14, 97,675.44 and 20,740.02

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Solution

The fourth proportional to 65,121.14, 97,675.44 and 20,740.02 is: 31,108.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,121.14 : 97,675.44 = 20,740.02 : x
  2. Step 2: Convert to fraction form
    65,121.14/97,675.44 = 20,740.02/x
  3. Step 3: Cross multiply
    65,121.14x = 97,675.44 × 20,740.02
  4. Step 4: Simplify right side
    65,121.14x = 2,025,790,579.11
  5. Step 5: Solve for x
    x = 2,025,790,579.11/65,121.14
  6. Step 6: Final answer
    x = 31,108.03

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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.