Home / 74,844.96-103,110.60-52,142.89

Finding the Fourth Proportional to 74,844.96, 103,110.60 and 52,142.89

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Solution

The fourth proportional to 74,844.96, 103,110.60 and 52,142.89 is: 71,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,844.96 : 103,110.60 = 52,142.89 : x
  2. Step 2: Convert to fraction form
    74,844.96/103,110.60 = 52,142.89/x
  3. Step 3: Cross multiply
    74,844.96x = 103,110.60 × 52,142.89
  4. Step 4: Simplify right side
    74,844.96x = 5,376,484,804.73
  5. Step 5: Solve for x
    x = 5,376,484,804.73/74,844.96
  6. Step 6: Final answer
    x = 71,834.96

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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.