Home / 74,531.93-111,845.33-27,142.47

Finding the Fourth Proportional to 74,531.93, 111,845.33 and 27,142.47

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Solution

The fourth proportional to 74,531.93, 111,845.33 and 27,142.47 is: 40,730.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,531.93 : 111,845.33 = 27,142.47 : x
  2. Step 2: Convert to fraction form
    74,531.93/111,845.33 = 27,142.47/x
  3. Step 3: Cross multiply
    74,531.93x = 111,845.33 × 27,142.47
  4. Step 4: Simplify right side
    74,531.93x = 3,035,758,378.45
  5. Step 5: Solve for x
    x = 3,035,758,378.45/74,531.93
  6. Step 6: Final answer
    x = 40,730.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.