Home / 79,140.40-118,710.24-32,393.32

Finding the Fourth Proportional to 79,140.40, 118,710.24 and 32,393.32

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Solution

The fourth proportional to 79,140.40, 118,710.24 and 32,393.32 is: 48,589.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,140.40 : 118,710.24 = 32,393.32 : x
  2. Step 2: Convert to fraction form
    79,140.40/118,710.24 = 32,393.32/x
  3. Step 3: Cross multiply
    79,140.40x = 118,710.24 × 32,393.32
  4. Step 4: Simplify right side
    79,140.40x = 3,845,418,791.60
  5. Step 5: Solve for x
    x = 3,845,418,791.60/79,140.40
  6. Step 6: Final answer
    x = 48,589.83

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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.