Home / 73,032.86-109,552.03-20,440.98

Finding the Fourth Proportional to 73,032.86, 109,552.03 and 20,440.98

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Solution

The fourth proportional to 73,032.86, 109,552.03 and 20,440.98 is: 30,662.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,032.86 : 109,552.03 = 20,440.98 : x
  2. Step 2: Convert to fraction form
    73,032.86/109,552.03 = 20,440.98/x
  3. Step 3: Cross multiply
    73,032.86x = 109,552.03 × 20,440.98
  4. Step 4: Simplify right side
    73,032.86x = 2,239,350,803.09
  5. Step 5: Solve for x
    x = 2,239,350,803.09/73,032.86
  6. Step 6: Final answer
    x = 30,662.24

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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.