Home / 71,984.36-99,337.26-40,152.44

Finding the Fourth Proportional to 71,984.36, 99,337.26 and 40,152.44

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Solution

The fourth proportional to 71,984.36, 99,337.26 and 40,152.44 is: 55,409.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,984.36 : 99,337.26 = 40,152.44 : x
  2. Step 2: Convert to fraction form
    71,984.36/99,337.26 = 40,152.44/x
  3. Step 3: Cross multiply
    71,984.36x = 99,337.26 × 40,152.44
  4. Step 4: Simplify right side
    71,984.36x = 3,988,633,371.91
  5. Step 5: Solve for x
    x = 3,988,633,371.91/71,984.36
  6. Step 6: Final answer
    x = 55,409.72

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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.