Home / 94,947.24-142,289.48-80,833.80

Finding the Fourth Proportional to 94,947.24, 142,289.48 and 80,833.80

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Solution

The fourth proportional to 94,947.24, 142,289.48 and 80,833.80 is: 121,138.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,947.24 : 142,289.48 = 80,833.80 : x
  2. Step 2: Convert to fraction form
    94,947.24/142,289.48 = 80,833.80/x
  3. Step 3: Cross multiply
    94,947.24x = 142,289.48 × 80,833.80
  4. Step 4: Simplify right side
    94,947.24x = 11,501,799,368.42
  5. Step 5: Solve for x
    x = 11,501,799,368.42/94,947.24
  6. Step 6: Final answer
    x = 121,138.85

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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.