Home / 76,169.71-114,362.07-47,998.45

Finding the Fourth Proportional to 76,169.71, 114,362.07 and 47,998.45

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Solution

The fourth proportional to 76,169.71, 114,362.07 and 47,998.45 is: 72,065.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,169.71 : 114,362.07 = 47,998.45 : x
  2. Step 2: Convert to fraction form
    76,169.71/114,362.07 = 47,998.45/x
  3. Step 3: Cross multiply
    76,169.71x = 114,362.07 × 47,998.45
  4. Step 4: Simplify right side
    76,169.71x = 5,489,202,098.79
  5. Step 5: Solve for x
    x = 5,489,202,098.79/76,169.71
  6. Step 6: Final answer
    x = 72,065.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.