Home / 76,592.36-105,712.62-49,697.12

Finding the Fourth Proportional to 76,592.36, 105,712.62 and 49,697.12

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Solution

The fourth proportional to 76,592.36, 105,712.62 and 49,697.12 is: 68,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,592.36 : 105,712.62 = 49,697.12 : x
  2. Step 2: Convert to fraction form
    76,592.36/105,712.62 = 49,697.12/x
  3. Step 3: Cross multiply
    76,592.36x = 105,712.62 × 49,697.12
  4. Step 4: Simplify right side
    76,592.36x = 5,253,612,761.65
  5. Step 5: Solve for x
    x = 5,253,612,761.65/76,592.36
  6. Step 6: Final answer
    x = 68,591.86

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1.5x scale

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.