Home / 53,881.77-74,356.82-31,233.90

Finding the Fourth Proportional to 53,881.77, 74,356.82 and 31,233.90

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Solution

The fourth proportional to 53,881.77, 74,356.82 and 31,233.90 is: 43,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,881.77 : 74,356.82 = 31,233.90 : x
  2. Step 2: Convert to fraction form
    53,881.77/74,356.82 = 31,233.90/x
  3. Step 3: Cross multiply
    53,881.77x = 74,356.82 × 31,233.90
  4. Step 4: Simplify right side
    53,881.77x = 2,322,453,851.76
  5. Step 5: Solve for x
    x = 2,322,453,851.76/53,881.77
  6. Step 6: Final answer
    x = 43,102.78

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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.