Home / 71,922.35-99,295.37-63,942.49

Finding the Fourth Proportional to 71,922.35, 99,295.37 and 63,942.49

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Solution

The fourth proportional to 71,922.35, 99,295.37 and 63,942.49 is: 88,278.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,922.35 : 99,295.37 = 63,942.49 : x
  2. Step 2: Convert to fraction form
    71,922.35/99,295.37 = 63,942.49/x
  3. Step 3: Cross multiply
    71,922.35x = 99,295.37 × 63,942.49
  4. Step 4: Simplify right side
    71,922.35x = 6,349,193,203.27
  5. Step 5: Solve for x
    x = 6,349,193,203.27/71,922.35
  6. Step 6: Final answer
    x = 88,278.44

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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.