Home / 55,581.70-76,702.66-30,087.94

Finding the Fourth Proportional to 55,581.70, 76,702.66 and 30,087.94

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Solution

The fourth proportional to 55,581.70, 76,702.66 and 30,087.94 is: 41,521.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,581.70 : 76,702.66 = 30,087.94 : x
  2. Step 2: Convert to fraction form
    55,581.70/76,702.66 = 30,087.94/x
  3. Step 3: Cross multiply
    55,581.70x = 76,702.66 × 30,087.94
  4. Step 4: Simplify right side
    55,581.70x = 2,307,825,031.92
  5. Step 5: Solve for x
    x = 2,307,825,031.92/55,581.70
  6. Step 6: Final answer
    x = 41,521.31

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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.