Home / 74,831.72-112,252.43-22,236.80

Finding the Fourth Proportional to 74,831.72, 112,252.43 and 22,236.80

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Solution

The fourth proportional to 74,831.72, 112,252.43 and 22,236.80 is: 33,356.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,831.72 : 112,252.43 = 22,236.80 : x
  2. Step 2: Convert to fraction form
    74,831.72/112,252.43 = 22,236.80/x
  3. Step 3: Cross multiply
    74,831.72x = 112,252.43 × 22,236.80
  4. Step 4: Simplify right side
    74,831.72x = 2,496,134,835.42
  5. Step 5: Solve for x
    x = 2,496,134,835.42/74,831.72
  6. Step 6: Final answer
    x = 33,356.64

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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.