Home / 49,890.12-68,857.29-29,748.30

Finding the Fourth Proportional to 49,890.12, 68,857.29 and 29,748.30

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Solution

The fourth proportional to 49,890.12, 68,857.29 and 29,748.30 is: 41,057.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,890.12 : 68,857.29 = 29,748.30 : x
  2. Step 2: Convert to fraction form
    49,890.12/68,857.29 = 29,748.30/x
  3. Step 3: Cross multiply
    49,890.12x = 68,857.29 × 29,748.30
  4. Step 4: Simplify right side
    49,890.12x = 2,048,387,320.11
  5. Step 5: Solve for x
    x = 2,048,387,320.11/49,890.12
  6. Step 6: Final answer
    x = 41,057.98

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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.