Home / 61,720.11-85,173.87-33,425.80

Finding the Fourth Proportional to 61,720.11, 85,173.87 and 33,425.80

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Solution

The fourth proportional to 61,720.11, 85,173.87 and 33,425.80 is: 46,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,720.11 : 85,173.87 = 33,425.80 : x
  2. Step 2: Convert to fraction form
    61,720.11/85,173.87 = 33,425.80/x
  3. Step 3: Cross multiply
    61,720.11x = 85,173.87 × 33,425.80
  4. Step 4: Simplify right side
    61,720.11x = 2,847,004,780.56
  5. Step 5: Solve for x
    x = 2,847,004,780.56/61,720.11
  6. Step 6: Final answer
    x = 46,127.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.