Home / 66,042.74-91,032.45-54,084.98

Finding the Fourth Proportional to 66,042.74, 91,032.45 and 54,084.98

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Solution

The fourth proportional to 66,042.74, 91,032.45 and 54,084.98 is: 74,550.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,042.74 : 91,032.45 = 54,084.98 : x
  2. Step 2: Convert to fraction form
    66,042.74/91,032.45 = 54,084.98/x
  3. Step 3: Cross multiply
    66,042.74x = 91,032.45 × 54,084.98
  4. Step 4: Simplify right side
    66,042.74x = 4,923,488,237.60
  5. Step 5: Solve for x
    x = 4,923,488,237.60/66,042.74
  6. Step 6: Final answer
    x = 74,550.03

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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.