Home / 76,709.07-105,859.31-44,871.75

Finding the Fourth Proportional to 76,709.07, 105,859.31 and 44,871.75

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Solution

The fourth proportional to 76,709.07, 105,859.31 and 44,871.75 is: 61,923.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,709.07 : 105,859.31 = 44,871.75 : x
  2. Step 2: Convert to fraction form
    76,709.07/105,859.31 = 44,871.75/x
  3. Step 3: Cross multiply
    76,709.07x = 105,859.31 × 44,871.75
  4. Step 4: Simplify right side
    76,709.07x = 4,750,092,269.13
  5. Step 5: Solve for x
    x = 4,750,092,269.13/76,709.07
  6. Step 6: Final answer
    x = 61,923.48

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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.