Home / 66,981.68-92,435.67-36,766.45

Finding the Fourth Proportional to 66,981.68, 92,435.67 and 36,766.45

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Solution

The fourth proportional to 66,981.68, 92,435.67 and 36,766.45 is: 50,738.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,981.68 : 92,435.67 = 36,766.45 : x
  2. Step 2: Convert to fraction form
    66,981.68/92,435.67 = 36,766.45/x
  3. Step 3: Cross multiply
    66,981.68x = 92,435.67 × 36,766.45
  4. Step 4: Simplify right side
    66,981.68x = 3,398,531,208.18
  5. Step 5: Solve for x
    x = 3,398,531,208.18/66,981.68
  6. Step 6: Final answer
    x = 50,738.22

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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.