Home / 49,820.10-68,611.77-48,731.46

Finding the Fourth Proportional to 49,820.10, 68,611.77 and 48,731.46

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Solution

The fourth proportional to 49,820.10, 68,611.77 and 48,731.46 is: 67,112.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,820.10 : 68,611.77 = 48,731.46 : x
  2. Step 2: Convert to fraction form
    49,820.10/68,611.77 = 48,731.46/x
  3. Step 3: Cross multiply
    49,820.10x = 68,611.77 × 48,731.46
  4. Step 4: Simplify right side
    49,820.10x = 3,343,551,725.28
  5. Step 5: Solve for x
    x = 3,343,551,725.28/49,820.10
  6. Step 6: Final answer
    x = 67,112.51

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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.