Home / 77,265.76-106,633.52-43,273.72

Finding the Fourth Proportional to 77,265.76, 106,633.52 and 43,273.72

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Solution

The fourth proportional to 77,265.76, 106,633.52 and 43,273.72 is: 59,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,265.76 : 106,633.52 = 43,273.72 : x
  2. Step 2: Convert to fraction form
    77,265.76/106,633.52 = 43,273.72/x
  3. Step 3: Cross multiply
    77,265.76x = 106,633.52 × 43,273.72
  4. Step 4: Simplify right side
    77,265.76x = 4,614,429,087.09
  5. Step 5: Solve for x
    x = 4,614,429,087.09/77,265.76
  6. Step 6: Final answer
    x = 59,721.53

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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.