Home / 68,057.20-93,924.18-40,834.30

Finding the Fourth Proportional to 68,057.20, 93,924.18 and 40,834.30

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Solution

The fourth proportional to 68,057.20, 93,924.18 and 40,834.30 is: 56,354.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,057.20 : 93,924.18 = 40,834.30 : x
  2. Step 2: Convert to fraction form
    68,057.20/93,924.18 = 40,834.30/x
  3. Step 3: Cross multiply
    68,057.20x = 93,924.18 × 40,834.30
  4. Step 4: Simplify right side
    68,057.20x = 3,835,328,143.37
  5. Step 5: Solve for x
    x = 3,835,328,143.37/68,057.20
  6. Step 6: Final answer
    x = 56,354.48

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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.