Home / 53,645.76-74,028.60-29,772.36

Finding the Fourth Proportional to 53,645.76, 74,028.60 and 29,772.36

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Solution

The fourth proportional to 53,645.76, 74,028.60 and 29,772.36 is: 41,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,645.76 : 74,028.60 = 29,772.36 : x
  2. Step 2: Convert to fraction form
    53,645.76/74,028.60 = 29,772.36/x
  3. Step 3: Cross multiply
    53,645.76x = 74,028.60 × 29,772.36
  4. Step 4: Simplify right side
    53,645.76x = 2,204,006,129.50
  5. Step 5: Solve for x
    x = 2,204,006,129.50/53,645.76
  6. Step 6: Final answer
    x = 41,084.44

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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.