Home / 71,933.67-99,267.93-40,103.10

Finding the Fourth Proportional to 71,933.67, 99,267.93 and 40,103.10

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Solution

The fourth proportional to 71,933.67, 99,267.93 and 40,103.10 is: 55,341.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,933.67 : 99,267.93 = 40,103.10 : x
  2. Step 2: Convert to fraction form
    71,933.67/99,267.93 = 40,103.10/x
  3. Step 3: Cross multiply
    71,933.67x = 99,267.93 × 40,103.10
  4. Step 4: Simplify right side
    71,933.67x = 3,980,951,723.58
  5. Step 5: Solve for x
    x = 3,980,951,723.58/71,933.67
  6. Step 6: Final answer
    x = 55,341.98

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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.