Home / 53,857.18-74,322.75-29,983.24

Finding the Fourth Proportional to 53,857.18, 74,322.75 and 29,983.24

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Solution

The fourth proportional to 53,857.18, 74,322.75 and 29,983.24 is: 41,376.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,857.18 : 74,322.75 = 29,983.24 : x
  2. Step 2: Convert to fraction form
    53,857.18/74,322.75 = 29,983.24/x
  3. Step 3: Cross multiply
    53,857.18x = 74,322.75 × 29,983.24
  4. Step 4: Simplify right side
    53,857.18x = 2,228,436,850.71
  5. Step 5: Solve for x
    x = 2,228,436,850.71/53,857.18
  6. Step 6: Final answer
    x = 41,376.78

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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.