Home / 53,792.61-74,236.55-29,919.75

Finding the Fourth Proportional to 53,792.61, 74,236.55 and 29,919.75

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Solution

The fourth proportional to 53,792.61, 74,236.55 and 29,919.75 is: 41,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,792.61 : 74,236.55 = 29,919.75 : x
  2. Step 2: Convert to fraction form
    53,792.61/74,236.55 = 29,919.75/x
  3. Step 3: Cross multiply
    53,792.61x = 74,236.55 × 29,919.75
  4. Step 4: Simplify right side
    53,792.61x = 2,221,138,867.26
  5. Step 5: Solve for x
    x = 2,221,138,867.26/53,792.61
  6. Step 6: Final answer
    x = 41,290.78

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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.