Home / 48,223.47-72,300.14-20,151.54

Finding the Fourth Proportional to 48,223.47, 72,300.14 and 20,151.54

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Solution

The fourth proportional to 48,223.47, 72,300.14 and 20,151.54 is: 30,212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,223.47 : 72,300.14 = 20,151.54 : x
  2. Step 2: Convert to fraction form
    48,223.47/72,300.14 = 20,151.54/x
  3. Step 3: Cross multiply
    48,223.47x = 72,300.14 × 20,151.54
  4. Step 4: Simplify right side
    48,223.47x = 1,456,958,700.96
  5. Step 5: Solve for x
    x = 1,456,958,700.96/48,223.47
  6. Step 6: Final answer
    x = 30,212.65

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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.