Home / 71,762.24-99,035.78-39,931.83

Finding the Fourth Proportional to 71,762.24, 99,035.78 and 39,931.83

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Solution

The fourth proportional to 71,762.24, 99,035.78 and 39,931.83 is: 55,108.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,762.24 : 99,035.78 = 39,931.83 : x
  2. Step 2: Convert to fraction form
    71,762.24/99,035.78 = 39,931.83/x
  3. Step 3: Cross multiply
    71,762.24x = 99,035.78 × 39,931.83
  4. Step 4: Simplify right side
    71,762.24x = 3,954,679,930.88
  5. Step 5: Solve for x
    x = 3,954,679,930.88/71,762.24
  6. Step 6: Final answer
    x = 55,108.09

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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.