Home / 66,877.04-92,287.67-40,003.53

Finding the Fourth Proportional to 66,877.04, 92,287.67 and 40,003.53

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Solution

The fourth proportional to 66,877.04, 92,287.67 and 40,003.53 is: 55,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,877.04 : 92,287.67 = 40,003.53 : x
  2. Step 2: Convert to fraction form
    66,877.04/92,287.67 = 40,003.53/x
  3. Step 3: Cross multiply
    66,877.04x = 92,287.67 × 40,003.53
  4. Step 4: Simplify right side
    66,877.04x = 3,691,832,375.46
  5. Step 5: Solve for x
    x = 3,691,832,375.46/66,877.04
  6. Step 6: Final answer
    x = 55,203.29

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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.