Home / 55,624.54-76,763.82-30,474.04

Finding the Fourth Proportional to 55,624.54, 76,763.82 and 30,474.04

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Solution

The fourth proportional to 55,624.54, 76,763.82 and 30,474.04 is: 42,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,624.54 : 76,763.82 = 30,474.04 : x
  2. Step 2: Convert to fraction form
    55,624.54/76,763.82 = 30,474.04/x
  3. Step 3: Cross multiply
    55,624.54x = 76,763.82 × 30,474.04
  4. Step 4: Simplify right side
    55,624.54x = 2,339,303,721.23
  5. Step 5: Solve for x
    x = 2,339,303,721.23/55,624.54
  6. Step 6: Final answer
    x = 42,055.25

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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.