Home / 127,707.11-191,559.60-47,765.24

Finding the Fourth Proportional to 127,707.11, 191,559.60 and 47,765.24

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Solution

The fourth proportional to 127,707.11, 191,559.60 and 47,765.24 is: 71,647.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,707.11 : 191,559.60 = 47,765.24 : x
  2. Step 2: Convert to fraction form
    127,707.11/191,559.60 = 47,765.24/x
  3. Step 3: Cross multiply
    127,707.11x = 191,559.60 × 47,765.24
  4. Step 4: Simplify right side
    127,707.11x = 9,149,890,268.30
  5. Step 5: Solve for x
    x = 9,149,890,268.30/127,707.11
  6. Step 6: Final answer
    x = 71,647.46

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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.