Home / 65,119.74-97,692.57-20,745.06

Finding the Fourth Proportional to 65,119.74, 97,692.57 and 20,745.06

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Solution

The fourth proportional to 65,119.74, 97,692.57 and 20,745.06 is: 31,121.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,119.74 : 97,692.57 = 20,745.06 : x
  2. Step 2: Convert to fraction form
    65,119.74/97,692.57 = 20,745.06/x
  3. Step 3: Cross multiply
    65,119.74x = 97,692.57 × 20,745.06
  4. Step 4: Simplify right side
    65,119.74x = 2,026,638,226.20
  5. Step 5: Solve for x
    x = 2,026,638,226.20/65,119.74
  6. Step 6: Final answer
    x = 31,121.72

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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.