Home / 76,747.68-105,919.38-44,914.68

Finding the Fourth Proportional to 76,747.68, 105,919.38 and 44,914.68

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Solution

The fourth proportional to 76,747.68, 105,919.38 and 44,914.68 is: 61,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,747.68 : 105,919.38 = 44,914.68 : x
  2. Step 2: Convert to fraction form
    76,747.68/105,919.38 = 44,914.68/x
  3. Step 3: Cross multiply
    76,747.68x = 105,919.38 × 44,914.68
  4. Step 4: Simplify right side
    76,747.68x = 4,757,335,058.50
  5. Step 5: Solve for x
    x = 4,757,335,058.50/76,747.68
  6. Step 6: Final answer
    x = 61,986.70

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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.