Home / 79,040.60-118,429.26-55,617.82

Finding the Fourth Proportional to 79,040.60, 118,429.26 and 55,617.82

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Solution

The fourth proportional to 79,040.60, 118,429.26 and 55,617.82 is: 83,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,040.60 : 118,429.26 = 55,617.82 : x
  2. Step 2: Convert to fraction form
    79,040.60/118,429.26 = 55,617.82/x
  3. Step 3: Cross multiply
    79,040.60x = 118,429.26 × 55,617.82
  4. Step 4: Simplify right side
    79,040.60x = 6,586,777,265.41
  5. Step 5: Solve for x
    x = 6,586,777,265.41/79,040.60
  6. Step 6: Final answer
    x = 83,334.10

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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.