Home / 65,013.14-97,523.09-20,643.37

Finding the Fourth Proportional to 65,013.14, 97,523.09 and 20,643.37

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Solution

The fourth proportional to 65,013.14, 97,523.09 and 20,643.37 is: 30,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,013.14 : 97,523.09 = 20,643.37 : x
  2. Step 2: Convert to fraction form
    65,013.14/97,523.09 = 20,643.37/x
  3. Step 3: Cross multiply
    65,013.14x = 97,523.09 × 20,643.37
  4. Step 4: Simplify right side
    65,013.14x = 2,013,205,230.41
  5. Step 5: Solve for x
    x = 2,013,205,230.41/65,013.14
  6. Step 6: Final answer
    x = 30,966.13

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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.