Home / 74,472.17-111,716.46-21,885.75

Finding the Fourth Proportional to 74,472.17, 111,716.46 and 21,885.75

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Solution

The fourth proportional to 74,472.17, 111,716.46 and 21,885.75 is: 32,831.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,472.17 : 111,716.46 = 21,885.75 : x
  2. Step 2: Convert to fraction form
    74,472.17/111,716.46 = 21,885.75/x
  3. Step 3: Cross multiply
    74,472.17x = 111,716.46 × 21,885.75
  4. Step 4: Simplify right side
    74,472.17x = 2,444,998,514.45
  5. Step 5: Solve for x
    x = 2,444,998,514.45/74,472.17
  6. Step 6: Final answer
    x = 32,831.04

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1.5x scale

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.