Home / 53,855.09-74,322.62-29,981.75

Finding the Fourth Proportional to 53,855.09, 74,322.62 and 29,981.75

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Solution

The fourth proportional to 53,855.09, 74,322.62 and 29,981.75 is: 41,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,855.09 : 74,322.62 = 29,981.75 : x
  2. Step 2: Convert to fraction form
    53,855.09/74,322.62 = 29,981.75/x
  3. Step 3: Cross multiply
    53,855.09x = 74,322.62 × 29,981.75
  4. Step 4: Simplify right side
    53,855.09x = 2,228,322,472.95
  5. Step 5: Solve for x
    x = 2,228,322,472.95/53,855.09
  6. Step 6: Final answer
    x = 41,376.27

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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.