Home / 77,761.84-116,573.28-30,365.91

Finding the Fourth Proportional to 77,761.84, 116,573.28 and 30,365.91

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Solution

The fourth proportional to 77,761.84, 116,573.28 and 30,365.91 is: 45,521.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,761.84 : 116,573.28 = 30,365.91 : x
  2. Step 2: Convert to fraction form
    77,761.84/116,573.28 = 30,365.91/x
  3. Step 3: Cross multiply
    77,761.84x = 116,573.28 × 30,365.91
  4. Step 4: Simplify right side
    77,761.84x = 3,539,853,728.88
  5. Step 5: Solve for x
    x = 3,539,853,728.88/77,761.84
  6. Step 6: Final answer
    x = 45,521.73

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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.