Home / 65,118.96-97,686.34-18,371.84

Finding the Fourth Proportional to 65,118.96, 97,686.34 and 18,371.84

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Solution

The fourth proportional to 65,118.96, 97,686.34 and 18,371.84 is: 27,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,118.96 : 97,686.34 = 18,371.84 : x
  2. Step 2: Convert to fraction form
    65,118.96/97,686.34 = 18,371.84/x
  3. Step 3: Cross multiply
    65,118.96x = 97,686.34 × 18,371.84
  4. Step 4: Simplify right side
    65,118.96x = 1,794,677,274.30
  5. Step 5: Solve for x
    x = 1,794,677,274.30/65,118.96
  6. Step 6: Final answer
    x = 27,559.98

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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.