Home / 49,281.76-68,003.58-29,139.40

Finding the Fourth Proportional to 49,281.76, 68,003.58 and 29,139.40

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Solution

The fourth proportional to 49,281.76, 68,003.58 and 29,139.40 is: 40,209.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,281.76 : 68,003.58 = 29,139.40 : x
  2. Step 2: Convert to fraction form
    49,281.76/68,003.58 = 29,139.40/x
  3. Step 3: Cross multiply
    49,281.76x = 68,003.58 × 29,139.40
  4. Step 4: Simplify right side
    49,281.76x = 1,981,583,519.05
  5. Step 5: Solve for x
    x = 1,981,583,519.05/49,281.76
  6. Step 6: Final answer
    x = 40,209.27

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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.