Home / 71,660.45-98,894.77-39,829.88

Finding the Fourth Proportional to 71,660.45, 98,894.77 and 39,829.88

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Solution

The fourth proportional to 71,660.45, 98,894.77 and 39,829.88 is: 54,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,660.45 : 98,894.77 = 39,829.88 : x
  2. Step 2: Convert to fraction form
    71,660.45/98,894.77 = 39,829.88/x
  3. Step 3: Cross multiply
    71,660.45x = 98,894.77 × 39,829.88
  4. Step 4: Simplify right side
    71,660.45x = 3,938,966,227.68
  5. Step 5: Solve for x
    x = 3,938,966,227.68/71,660.45
  6. Step 6: Final answer
    x = 54,967.09

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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.