Home / 74,204.36-111,311.69-29,831.13

Finding the Fourth Proportional to 74,204.36, 111,311.69 and 29,831.13

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Solution

The fourth proportional to 74,204.36, 111,311.69 and 29,831.13 is: 44,748.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,204.36 : 111,311.69 = 29,831.13 : x
  2. Step 2: Convert to fraction form
    74,204.36/111,311.69 = 29,831.13/x
  3. Step 3: Cross multiply
    74,204.36x = 111,311.69 × 29,831.13
  4. Step 4: Simplify right side
    74,204.36x = 3,320,553,345.75
  5. Step 5: Solve for x
    x = 3,320,553,345.75/74,204.36
  6. Step 6: Final answer
    x = 44,748.77

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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.