Home / 85,109.07-127,672.07-32,562.75

Finding the Fourth Proportional to 85,109.07, 127,672.07 and 32,562.75

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Solution

The fourth proportional to 85,109.07, 127,672.07 and 32,562.75 is: 48,847.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,109.07 : 127,672.07 = 32,562.75 : x
  2. Step 2: Convert to fraction form
    85,109.07/127,672.07 = 32,562.75/x
  3. Step 3: Cross multiply
    85,109.07x = 127,672.07 × 32,562.75
  4. Step 4: Simplify right side
    85,109.07x = 4,157,353,534.58
  5. Step 5: Solve for x
    x = 4,157,353,534.58/85,109.07
  6. Step 6: Final answer
    x = 48,847.36

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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.