Home / 78,761.43-118,106.60-22,588.64

Finding the Fourth Proportional to 78,761.43, 118,106.60 and 22,588.64

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Solution

The fourth proportional to 78,761.43, 118,106.60 and 22,588.64 is: 33,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,761.43 : 118,106.60 = 22,588.64 : x
  2. Step 2: Convert to fraction form
    78,761.43/118,106.60 = 22,588.64/x
  3. Step 3: Cross multiply
    78,761.43x = 118,106.60 × 22,588.64
  4. Step 4: Simplify right side
    78,761.43x = 2,667,867,820.76
  5. Step 5: Solve for x
    x = 2,667,867,820.76/78,761.43
  6. Step 6: Final answer
    x = 33,872.77

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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.