Home / 49,451.50-68,176.98-40,922.20

Finding the Fourth Proportional to 49,451.50, 68,176.98 and 40,922.20

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Solution

The fourth proportional to 49,451.50, 68,176.98 and 40,922.20 is: 56,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,451.50 : 68,176.98 = 40,922.20 : x
  2. Step 2: Convert to fraction form
    49,451.50/68,176.98 = 40,922.20/x
  3. Step 3: Cross multiply
    49,451.50x = 68,176.98 × 40,922.20
  4. Step 4: Simplify right side
    49,451.50x = 2,789,952,010.96
  5. Step 5: Solve for x
    x = 2,789,952,010.96/49,451.50
  6. Step 6: Final answer
    x = 56,417.95

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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.