Home / 65,146.03-97,734.96-20,772.79

Finding the Fourth Proportional to 65,146.03, 97,734.96 and 20,772.79

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Solution

The fourth proportional to 65,146.03, 97,734.96 and 20,772.79 is: 31,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,146.03 : 97,734.96 = 20,772.79 : x
  2. Step 2: Convert to fraction form
    65,146.03/97,734.96 = 20,772.79/x
  3. Step 3: Cross multiply
    65,146.03x = 97,734.96 × 20,772.79
  4. Step 4: Simplify right side
    65,146.03x = 2,030,227,799.74
  5. Step 5: Solve for x
    x = 2,030,227,799.74/65,146.03
  6. Step 6: Final answer
    x = 31,164.26

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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.