Home / 71,772.24-98,943.04-50,485.44

Finding the Fourth Proportional to 71,772.24, 98,943.04 and 50,485.44

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Solution

The fourth proportional to 71,772.24, 98,943.04 and 50,485.44 is: 69,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,772.24 : 98,943.04 = 50,485.44 : x
  2. Step 2: Convert to fraction form
    71,772.24/98,943.04 = 50,485.44/x
  3. Step 3: Cross multiply
    71,772.24x = 98,943.04 × 50,485.44
  4. Step 4: Simplify right side
    71,772.24x = 4,995,182,909.34
  5. Step 5: Solve for x
    x = 4,995,182,909.34/71,772.24
  6. Step 6: Final answer
    x = 69,597.70

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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.