Home / 54,623.29-75,387.32-30,754.61

Finding the Fourth Proportional to 54,623.29, 75,387.32 and 30,754.61

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Solution

The fourth proportional to 54,623.29, 75,387.32 and 30,754.61 is: 42,445.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,623.29 : 75,387.32 = 30,754.61 : x
  2. Step 2: Convert to fraction form
    54,623.29/75,387.32 = 30,754.61/x
  3. Step 3: Cross multiply
    54,623.29x = 75,387.32 × 30,754.61
  4. Step 4: Simplify right side
    54,623.29x = 2,318,507,748.14
  5. Step 5: Solve for x
    x = 2,318,507,748.14/54,623.29
  6. Step 6: Final answer
    x = 42,445.41

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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.