Home / 69,974.45-96,561.10-39,755.58

Finding the Fourth Proportional to 69,974.45, 96,561.10 and 39,755.58

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Solution

The fourth proportional to 69,974.45, 96,561.10 and 39,755.58 is: 54,860.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,974.45 : 96,561.10 = 39,755.58 : x
  2. Step 2: Convert to fraction form
    69,974.45/96,561.10 = 39,755.58/x
  3. Step 3: Cross multiply
    69,974.45x = 96,561.10 × 39,755.58
  4. Step 4: Simplify right side
    69,974.45x = 3,838,842,436.55
  5. Step 5: Solve for x
    x = 3,838,842,436.55/69,974.45
  6. Step 6: Final answer
    x = 54,860.63

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1.5x scale

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.