Home / 48,406.68-72,608.04-13,345.38

Finding the Fourth Proportional to 48,406.68, 72,608.04 and 13,345.38

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Solution

The fourth proportional to 48,406.68, 72,608.04 and 13,345.38 is: 20,017.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,406.68 : 72,608.04 = 13,345.38 : x
  2. Step 2: Convert to fraction form
    48,406.68/72,608.04 = 13,345.38/x
  3. Step 3: Cross multiply
    48,406.68x = 72,608.04 × 13,345.38
  4. Step 4: Simplify right side
    48,406.68x = 968,981,884.86
  5. Step 5: Solve for x
    x = 968,981,884.86/48,406.68
  6. Step 6: Final answer
    x = 20,017.52

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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.