Home / 118,023.52-162,872.47-64,308.53

Finding the Fourth Proportional to 118,023.52, 162,872.47 and 64,308.53

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Solution

The fourth proportional to 118,023.52, 162,872.47 and 64,308.53 is: 88,745.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,023.52 : 162,872.47 = 64,308.53 : x
  2. Step 2: Convert to fraction form
    118,023.52/162,872.47 = 64,308.53/x
  3. Step 3: Cross multiply
    118,023.52x = 162,872.47 × 64,308.53
  4. Step 4: Simplify right side
    118,023.52x = 10,474,089,369.58
  5. Step 5: Solve for x
    x = 10,474,089,369.58/118,023.52
  6. Step 6: Final answer
    x = 88,745.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.