Home / 71,000.04-97,976.76-40,764.09

Finding the Fourth Proportional to 71,000.04, 97,976.76 and 40,764.09

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Solution

The fourth proportional to 71,000.04, 97,976.76 and 40,764.09 is: 56,252.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,000.04 : 97,976.76 = 40,764.09 : x
  2. Step 2: Convert to fraction form
    71,000.04/97,976.76 = 40,764.09/x
  3. Step 3: Cross multiply
    71,000.04x = 97,976.76 × 40,764.09
  4. Step 4: Simplify right side
    71,000.04x = 3,993,933,462.55
  5. Step 5: Solve for x
    x = 3,993,933,462.55/71,000.04
  6. Step 6: Final answer
    x = 56,252.55

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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.