Home / 67,246.16-100,869.08-20,499.03

Finding the Fourth Proportional to 67,246.16, 100,869.08 and 20,499.03

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Solution

The fourth proportional to 67,246.16, 100,869.08 and 20,499.03 is: 30,748.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,246.16 : 100,869.08 = 20,499.03 : x
  2. Step 2: Convert to fraction form
    67,246.16/100,869.08 = 20,499.03/x
  3. Step 3: Cross multiply
    67,246.16x = 100,869.08 × 20,499.03
  4. Step 4: Simplify right side
    67,246.16x = 2,067,718,194.50
  5. Step 5: Solve for x
    x = 2,067,718,194.50/67,246.16
  6. Step 6: Final answer
    x = 30,748.50

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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.