Home / 42,383.76-63,568.44-11,222.16

Finding the Fourth Proportional to 42,383.76, 63,568.44 and 11,222.16

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Solution

The fourth proportional to 42,383.76, 63,568.44 and 11,222.16 is: 16,831.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,383.76 : 63,568.44 = 11,222.16 : x
  2. Step 2: Convert to fraction form
    42,383.76/63,568.44 = 11,222.16/x
  3. Step 3: Cross multiply
    42,383.76x = 63,568.44 × 11,222.16
  4. Step 4: Simplify right side
    42,383.76x = 713,375,204.63
  5. Step 5: Solve for x
    x = 713,375,204.63/42,383.76
  6. Step 6: Final answer
    x = 16,831.33

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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.