Home / 71,933.58-99,266.85-40,100.58

Finding the Fourth Proportional to 71,933.58, 99,266.85 and 40,100.58

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Solution

The fourth proportional to 71,933.58, 99,266.85 and 40,100.58 is: 55,337.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,933.58 : 99,266.85 = 40,100.58 : x
  2. Step 2: Convert to fraction form
    71,933.58/99,266.85 = 40,100.58/x
  3. Step 3: Cross multiply
    71,933.58x = 99,266.85 × 40,100.58
  4. Step 4: Simplify right side
    71,933.58x = 3,980,658,259.77
  5. Step 5: Solve for x
    x = 3,980,658,259.77/71,933.58
  6. Step 6: Final answer
    x = 55,337.97

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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.