Home / 78,733.62-118,076.21-22,558.68

Finding the Fourth Proportional to 78,733.62, 118,076.21 and 22,558.68

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Solution

The fourth proportional to 78,733.62, 118,076.21 and 22,558.68 is: 33,831.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,733.62 : 118,076.21 = 22,558.68 : x
  2. Step 2: Convert to fraction form
    78,733.62/118,076.21 = 22,558.68/x
  3. Step 3: Cross multiply
    78,733.62x = 118,076.21 × 22,558.68
  4. Step 4: Simplify right side
    78,733.62x = 2,663,643,013.27
  5. Step 5: Solve for x
    x = 2,663,643,013.27/78,733.62
  6. Step 6: Final answer
    x = 33,831.08

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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.