Home / 65,211.04-97,697.48-30,131.56

Finding the Fourth Proportional to 65,211.04, 97,697.48 and 30,131.56

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Solution

The fourth proportional to 65,211.04, 97,697.48 and 30,131.56 is: 45,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,211.04 : 97,697.48 = 30,131.56 : x
  2. Step 2: Convert to fraction form
    65,211.04/97,697.48 = 30,131.56/x
  3. Step 3: Cross multiply
    65,211.04x = 97,697.48 × 30,131.56
  4. Step 4: Simplify right side
    65,211.04x = 2,943,777,480.47
  5. Step 5: Solve for x
    x = 2,943,777,480.47/65,211.04
  6. Step 6: Final answer
    x = 45,142.32

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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.