Home / 55,474.43-76,562.69-31,603.32

Finding the Fourth Proportional to 55,474.43, 76,562.69 and 31,603.32

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Solution

The fourth proportional to 55,474.43, 76,562.69 and 31,603.32 is: 43,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,474.43 : 76,562.69 = 31,603.32 : x
  2. Step 2: Convert to fraction form
    55,474.43/76,562.69 = 31,603.32/x
  3. Step 3: Cross multiply
    55,474.43x = 76,562.69 × 31,603.32
  4. Step 4: Simplify right side
    55,474.43x = 2,419,635,034.11
  5. Step 5: Solve for x
    x = 2,419,635,034.11/55,474.43
  6. Step 6: Final answer
    x = 43,617.13

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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.