Home / 76,199.86-105,098.07-66,752.02

Finding the Fourth Proportional to 76,199.86, 105,098.07 and 66,752.02

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Solution

The fourth proportional to 76,199.86, 105,098.07 and 66,752.02 is: 92,067.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,199.86 : 105,098.07 = 66,752.02 : x
  2. Step 2: Convert to fraction form
    76,199.86/105,098.07 = 66,752.02/x
  3. Step 3: Cross multiply
    76,199.86x = 105,098.07 × 66,752.02
  4. Step 4: Simplify right side
    76,199.86x = 7,015,508,470.60
  5. Step 5: Solve for x
    x = 7,015,508,470.60/76,199.86
  6. Step 6: Final answer
    x = 92,067.21

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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.