Home / 77,220.74-115,906.01-37,267.84

Finding the Fourth Proportional to 77,220.74, 115,906.01 and 37,267.84

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Solution

The fourth proportional to 77,220.74, 115,906.01 and 37,267.84 is: 55,937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,220.74 : 115,906.01 = 37,267.84 : x
  2. Step 2: Convert to fraction form
    77,220.74/115,906.01 = 37,267.84/x
  3. Step 3: Cross multiply
    77,220.74x = 115,906.01 × 37,267.84
  4. Step 4: Simplify right side
    77,220.74x = 4,319,566,635.72
  5. Step 5: Solve for x
    x = 4,319,566,635.72/77,220.74
  6. Step 6: Final answer
    x = 55,937.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.