Home / 66,850.18-92,250.54-39,976.84

Finding the Fourth Proportional to 66,850.18, 92,250.54 and 39,976.84

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Solution

The fourth proportional to 66,850.18, 92,250.54 and 39,976.84 is: 55,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,850.18 : 92,250.54 = 39,976.84 : x
  2. Step 2: Convert to fraction form
    66,850.18/92,250.54 = 39,976.84/x
  3. Step 3: Cross multiply
    66,850.18x = 92,250.54 × 39,976.84
  4. Step 4: Simplify right side
    66,850.18x = 3,687,885,077.49
  5. Step 5: Solve for x
    x = 3,687,885,077.49/66,850.18
  6. Step 6: Final answer
    x = 55,166.42

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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.