Home / 66,072.45-91,180.65-35,858.04

Finding the Fourth Proportional to 66,072.45, 91,180.65 and 35,858.04

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Solution

The fourth proportional to 66,072.45, 91,180.65 and 35,858.04 is: 49,484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,072.45 : 91,180.65 = 35,858.04 : x
  2. Step 2: Convert to fraction form
    66,072.45/91,180.65 = 35,858.04/x
  3. Step 3: Cross multiply
    66,072.45x = 91,180.65 × 35,858.04
  4. Step 4: Simplify right side
    66,072.45x = 3,269,559,394.93
  5. Step 5: Solve for x
    x = 3,269,559,394.93/66,072.45
  6. Step 6: Final answer
    x = 49,484.46

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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.