Home / 65,310.11-97,966.37-18,564.20

Finding the Fourth Proportional to 65,310.11, 97,966.37 and 18,564.20

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Solution

The fourth proportional to 65,310.11, 97,966.37 and 18,564.20 is: 27,846.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,310.11 : 97,966.37 = 18,564.20 : x
  2. Step 2: Convert to fraction form
    65,310.11/97,966.37 = 18,564.20/x
  3. Step 3: Cross multiply
    65,310.11x = 97,966.37 × 18,564.20
  4. Step 4: Simplify right side
    65,310.11x = 1,818,666,796.12
  5. Step 5: Solve for x
    x = 1,818,666,796.12/65,310.11
  6. Step 6: Final answer
    x = 27,846.64

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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.