Home / 49,398.94-68,169.90-28,178.56

Finding the Fourth Proportional to 49,398.94, 68,169.90 and 28,178.56

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Solution

The fourth proportional to 49,398.94, 68,169.90 and 28,178.56 is: 38,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,398.94 : 68,169.90 = 28,178.56 : x
  2. Step 2: Convert to fraction form
    49,398.94/68,169.90 = 28,178.56/x
  3. Step 3: Cross multiply
    49,398.94x = 68,169.90 × 28,178.56
  4. Step 4: Simplify right side
    49,398.94x = 1,920,929,617.34
  5. Step 5: Solve for x
    x = 1,920,929,617.34/49,398.94
  6. Step 6: Final answer
    x = 38,886.05

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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.