Home / 49,965.80-74,948.70-48,216.20

Finding the Fourth Proportional to 49,965.80, 74,948.70 and 48,216.20

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Solution

The fourth proportional to 49,965.80, 74,948.70 and 48,216.20 is: 72,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,965.80 : 74,948.70 = 48,216.20 : x
  2. Step 2: Convert to fraction form
    49,965.80/74,948.70 = 48,216.20/x
  3. Step 3: Cross multiply
    49,965.80x = 74,948.70 × 48,216.20
  4. Step 4: Simplify right side
    49,965.80x = 3,613,741,508.94
  5. Step 5: Solve for x
    x = 3,613,741,508.94/49,965.80
  6. Step 6: Final answer
    x = 72,324.30

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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.