Home / 75,401.52-104,050.02-43,136.79

Finding the Fourth Proportional to 75,401.52, 104,050.02 and 43,136.79

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Solution

The fourth proportional to 75,401.52, 104,050.02 and 43,136.79 is: 59,526.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,401.52 : 104,050.02 = 43,136.79 : x
  2. Step 2: Convert to fraction form
    75,401.52/104,050.02 = 43,136.79/x
  3. Step 3: Cross multiply
    75,401.52x = 104,050.02 × 43,136.79
  4. Step 4: Simplify right side
    75,401.52x = 4,488,383,862.24
  5. Step 5: Solve for x
    x = 4,488,383,862.24/75,401.52
  6. Step 6: Final answer
    x = 59,526.44

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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.