Home / 48,133.76-72,212.94-18,543.66

Finding the Fourth Proportional to 48,133.76, 72,212.94 and 18,543.66

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Solution

The fourth proportional to 48,133.76, 72,212.94 and 18,543.66 is: 27,820.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,133.76 : 72,212.94 = 18,543.66 : x
  2. Step 2: Convert to fraction form
    48,133.76/72,212.94 = 18,543.66/x
  3. Step 3: Cross multiply
    48,133.76x = 72,212.94 × 18,543.66
  4. Step 4: Simplify right side
    48,133.76x = 1,339,092,206.96
  5. Step 5: Solve for x
    x = 1,339,092,206.96/48,133.76
  6. Step 6: Final answer
    x = 27,820.23

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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.