Home / 55,474.26-76,545.63-31,601.40

Finding the Fourth Proportional to 55,474.26, 76,545.63 and 31,601.40

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Solution

The fourth proportional to 55,474.26, 76,545.63 and 31,601.40 is: 43,604.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,474.26 : 76,545.63 = 31,601.40 : x
  2. Step 2: Convert to fraction form
    55,474.26/76,545.63 = 31,601.40/x
  3. Step 3: Cross multiply
    55,474.26x = 76,545.63 × 31,601.40
  4. Step 4: Simplify right side
    55,474.26x = 2,418,949,071.88
  5. Step 5: Solve for x
    x = 2,418,949,071.88/55,474.26
  6. Step 6: Final answer
    x = 43,604.89

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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.