Home / 71,342.30-98,462.88-41,121.72

Finding the Fourth Proportional to 71,342.30, 98,462.88 and 41,121.72

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Solution

The fourth proportional to 71,342.30, 98,462.88 and 41,121.72 is: 56,754.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,342.30 : 98,462.88 = 41,121.72 : x
  2. Step 2: Convert to fraction form
    71,342.30/98,462.88 = 41,121.72/x
  3. Step 3: Cross multiply
    71,342.30x = 98,462.88 × 41,121.72
  4. Step 4: Simplify right side
    71,342.30x = 4,048,962,981.75
  5. Step 5: Solve for x
    x = 4,048,962,981.75/71,342.30
  6. Step 6: Final answer
    x = 56,754.03

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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.