Home / 49,820.85-68,612.80-48,732.21

Finding the Fourth Proportional to 49,820.85, 68,612.80 and 48,732.21

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Solution

The fourth proportional to 49,820.85, 68,612.80 and 48,732.21 is: 67,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,820.85 : 68,612.80 = 48,732.21 : x
  2. Step 2: Convert to fraction form
    49,820.85/68,612.80 = 48,732.21/x
  3. Step 3: Cross multiply
    49,820.85x = 68,612.80 × 48,732.21
  4. Step 4: Simplify right side
    49,820.85x = 3,343,653,378.29
  5. Step 5: Solve for x
    x = 3,343,653,378.29/49,820.85
  6. Step 6: Final answer
    x = 67,113.54

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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.