Home / 67,246.20-100,869.30-54,124.20

Finding the Fourth Proportional to 67,246.20, 100,869.30 and 54,124.20

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Solution

The fourth proportional to 67,246.20, 100,869.30 and 54,124.20 is: 81,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,246.20 : 100,869.30 = 54,124.20 : x
  2. Step 2: Convert to fraction form
    67,246.20/100,869.30 = 54,124.20/x
  3. Step 3: Cross multiply
    67,246.20x = 100,869.30 × 54,124.20
  4. Step 4: Simplify right side
    67,246.20x = 5,459,470,167.06
  5. Step 5: Solve for x
    x = 5,459,470,167.06/67,246.20
  6. Step 6: Final answer
    x = 81,186.30

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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.