Home / 73,429.20-109,925.10-43,831.80

Finding the Fourth Proportional to 73,429.20, 109,925.10 and 43,831.80

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Solution

The fourth proportional to 73,429.20, 109,925.10 and 43,831.80 is: 65,617.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,429.20 : 109,925.10 = 43,831.80 : x
  2. Step 2: Convert to fraction form
    73,429.20/109,925.10 = 43,831.80/x
  3. Step 3: Cross multiply
    73,429.20x = 109,925.10 × 43,831.80
  4. Step 4: Simplify right side
    73,429.20x = 4,818,214,998.18
  5. Step 5: Solve for x
    x = 4,818,214,998.18/73,429.20
  6. Step 6: Final answer
    x = 65,617.15

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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.