Home / 66,202.24-91,359.72-35,987.92

Finding the Fourth Proportional to 66,202.24, 91,359.72 and 35,987.92

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Solution

The fourth proportional to 66,202.24, 91,359.72 and 35,987.92 is: 49,663.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,202.24 : 91,359.72 = 35,987.92 : x
  2. Step 2: Convert to fraction form
    66,202.24/91,359.72 = 35,987.92/x
  3. Step 3: Cross multiply
    66,202.24x = 91,359.72 × 35,987.92
  4. Step 4: Simplify right side
    66,202.24x = 3,287,846,294.58
  5. Step 5: Solve for x
    x = 3,287,846,294.58/66,202.24
  6. Step 6: Final answer
    x = 49,663.67

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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.