Home / 76,725.93-105,797.14-52,530.86

Finding the Fourth Proportional to 76,725.93, 105,797.14 and 52,530.86

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Solution

The fourth proportional to 76,725.93, 105,797.14 and 52,530.86 is: 72,434.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,725.93 : 105,797.14 = 52,530.86 : x
  2. Step 2: Convert to fraction form
    76,725.93/105,797.14 = 52,530.86/x
  3. Step 3: Cross multiply
    76,725.93x = 105,797.14 × 52,530.86
  4. Step 4: Simplify right side
    76,725.93x = 5,557,614,882.91
  5. Step 5: Solve for x
    x = 5,557,614,882.91/76,725.93
  6. Step 6: Final answer
    x = 72,434.63

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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.