Home / 48,136.48-72,204.24-36,520.96

Finding the Fourth Proportional to 48,136.48, 72,204.24 and 36,520.96

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Solution

The fourth proportional to 48,136.48, 72,204.24 and 36,520.96 is: 54,781.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,136.48 : 72,204.24 = 36,520.96 : x
  2. Step 2: Convert to fraction form
    48,136.48/72,204.24 = 36,520.96/x
  3. Step 3: Cross multiply
    48,136.48x = 72,204.24 × 36,520.96
  4. Step 4: Simplify right side
    48,136.48x = 2,636,968,160.87
  5. Step 5: Solve for x
    x = 2,636,968,160.87/48,136.48
  6. Step 6: Final answer
    x = 54,781.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.