Home / 49,820.60-68,612.46-48,731.96

Finding the Fourth Proportional to 49,820.60, 68,612.46 and 48,731.96

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Solution

The fourth proportional to 49,820.60, 68,612.46 and 48,731.96 is: 67,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,820.60 : 68,612.46 = 48,731.96 : x
  2. Step 2: Convert to fraction form
    49,820.60/68,612.46 = 48,731.96/x
  3. Step 3: Cross multiply
    49,820.60x = 68,612.46 × 48,731.96
  4. Step 4: Simplify right side
    49,820.60x = 3,343,619,656.22
  5. Step 5: Solve for x
    x = 3,343,619,656.22/49,820.60
  6. Step 6: Final answer
    x = 67,113.20

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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.