Home / 76,182.96-113,470.07-72,182.14

Finding the Fourth Proportional to 76,182.96, 113,470.07 and 72,182.14

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Solution

The fourth proportional to 76,182.96, 113,470.07 and 72,182.14 is: 107,511.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,182.96 : 113,470.07 = 72,182.14 : x
  2. Step 2: Convert to fraction form
    76,182.96/113,470.07 = 72,182.14/x
  3. Step 3: Cross multiply
    76,182.96x = 113,470.07 × 72,182.14
  4. Step 4: Simplify right side
    76,182.96x = 8,190,511,833.96
  5. Step 5: Solve for x
    x = 8,190,511,833.96/76,182.96
  6. Step 6: Final answer
    x = 107,511.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.