Home / 77,302.74-106,680.84-43,311.52

Finding the Fourth Proportional to 77,302.74, 106,680.84 and 43,311.52

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Solution

The fourth proportional to 77,302.74, 106,680.84 and 43,311.52 is: 59,771.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,302.74 : 106,680.84 = 43,311.52 : x
  2. Step 2: Convert to fraction form
    77,302.74/106,680.84 = 43,311.52/x
  3. Step 3: Cross multiply
    77,302.74x = 106,680.84 × 43,311.52
  4. Step 4: Simplify right side
    77,302.74x = 4,620,509,335.28
  5. Step 5: Solve for x
    x = 4,620,509,335.28/77,302.74
  6. Step 6: Final answer
    x = 59,771.61

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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.