Home / 49,905.15-68,876.04-28,683.96

Finding the Fourth Proportional to 49,905.15, 68,876.04 and 28,683.96

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Solution

The fourth proportional to 49,905.15, 68,876.04 and 28,683.96 is: 39,587.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,905.15 : 68,876.04 = 28,683.96 : x
  2. Step 2: Convert to fraction form
    49,905.15/68,876.04 = 28,683.96/x
  3. Step 3: Cross multiply
    49,905.15x = 68,876.04 × 28,683.96
  4. Step 4: Simplify right side
    49,905.15x = 1,975,637,576.32
  5. Step 5: Solve for x
    x = 1,975,637,576.32/49,905.15
  6. Step 6: Final answer
    x = 39,587.85

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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.