Home / 66,721.02-92,074.62-36,505.79

Finding the Fourth Proportional to 66,721.02, 92,074.62 and 36,505.79

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Solution

The fourth proportional to 66,721.02, 92,074.62 and 36,505.79 is: 50,377.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,721.02 : 92,074.62 = 36,505.79 : x
  2. Step 2: Convert to fraction form
    66,721.02/92,074.62 = 36,505.79/x
  3. Step 3: Cross multiply
    66,721.02x = 92,074.62 × 36,505.79
  4. Step 4: Simplify right side
    66,721.02x = 3,361,256,763.85
  5. Step 5: Solve for x
    x = 3,361,256,763.85/66,721.02
  6. Step 6: Final answer
    x = 50,377.78

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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.