Home / 64,862.51-97,297.61-18,115.38

Finding the Fourth Proportional to 64,862.51, 97,297.61 and 18,115.38

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Solution

The fourth proportional to 64,862.51, 97,297.61 and 18,115.38 is: 27,174.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,862.51 : 97,297.61 = 18,115.38 : x
  2. Step 2: Convert to fraction form
    64,862.51/97,297.61 = 18,115.38/x
  3. Step 3: Cross multiply
    64,862.51x = 97,297.61 × 18,115.38
  4. Step 4: Simplify right side
    64,862.51x = 1,762,583,087.66
  5. Step 5: Solve for x
    x = 1,762,583,087.66/64,862.51
  6. Step 6: Final answer
    x = 27,174.14

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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.