Home / 55,974.87-77,221.76-37,079.19

Finding the Fourth Proportional to 55,974.87, 77,221.76 and 37,079.19

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Solution

The fourth proportional to 55,974.87, 77,221.76 and 37,079.19 is: 51,153.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,974.87 : 77,221.76 = 37,079.19 : x
  2. Step 2: Convert to fraction form
    55,974.87/77,221.76 = 37,079.19/x
  3. Step 3: Cross multiply
    55,974.87x = 77,221.76 × 37,079.19
  4. Step 4: Simplify right side
    55,974.87x = 2,863,320,125.78
  5. Step 5: Solve for x
    x = 2,863,320,125.78/55,974.87
  6. Step 6: Final answer
    x = 51,153.67

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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.