Home / 67,076.08-100,624.56-20,317.84

Finding the Fourth Proportional to 67,076.08, 100,624.56 and 20,317.84

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Solution

The fourth proportional to 67,076.08, 100,624.56 and 20,317.84 is: 30,479.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,076.08 : 100,624.56 = 20,317.84 : x
  2. Step 2: Convert to fraction form
    67,076.08/100,624.56 = 20,317.84/x
  3. Step 3: Cross multiply
    67,076.08x = 100,624.56 × 20,317.84
  4. Step 4: Simplify right side
    67,076.08x = 2,044,473,710.15
  5. Step 5: Solve for x
    x = 2,044,473,710.15/67,076.08
  6. Step 6: Final answer
    x = 30,479.92

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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.