Home / 65,104.22-97,663.49-20,720.58

Finding the Fourth Proportional to 65,104.22, 97,663.49 and 20,720.58

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Solution

The fourth proportional to 65,104.22, 97,663.49 and 20,720.58 is: 31,083.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,104.22 : 97,663.49 = 20,720.58 : x
  2. Step 2: Convert to fraction form
    65,104.22/97,663.49 = 20,720.58/x
  3. Step 3: Cross multiply
    65,104.22x = 97,663.49 × 20,720.58
  4. Step 4: Simplify right side
    65,104.22x = 2,023,643,765.49
  5. Step 5: Solve for x
    x = 2,023,643,765.49/65,104.22
  6. Step 6: Final answer
    x = 31,083.14

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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.