Home / 66,489.12-91,791.36-44,994.96

Finding the Fourth Proportional to 66,489.12, 91,791.36 and 44,994.96

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Solution

The fourth proportional to 66,489.12, 91,791.36 and 44,994.96 is: 62,117.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,489.12 : 91,791.36 = 44,994.96 : x
  2. Step 2: Convert to fraction form
    66,489.12/91,791.36 = 44,994.96/x
  3. Step 3: Cross multiply
    66,489.12x = 91,791.36 × 44,994.96
  4. Step 4: Simplify right side
    66,489.12x = 4,130,148,571.55
  5. Step 5: Solve for x
    x = 4,130,148,571.55/66,489.12
  6. Step 6: Final answer
    x = 62,117.66

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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.