Home / 48,136.96-72,212.28-14,859.76

Finding the Fourth Proportional to 48,136.96, 72,212.28 and 14,859.76

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Solution

The fourth proportional to 48,136.96, 72,212.28 and 14,859.76 is: 22,291.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,136.96 : 72,212.28 = 14,859.76 : x
  2. Step 2: Convert to fraction form
    48,136.96/72,212.28 = 14,859.76/x
  3. Step 3: Cross multiply
    48,136.96x = 72,212.28 × 14,859.76
  4. Step 4: Simplify right side
    48,136.96x = 1,073,057,149.85
  5. Step 5: Solve for x
    x = 1,073,057,149.85/48,136.96
  6. Step 6: Final answer
    x = 22,291.75

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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.