Home / 83,434.24-125,078.01-43,368.85

Finding the Fourth Proportional to 83,434.24, 125,078.01 and 43,368.85

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Solution

The fourth proportional to 83,434.24, 125,078.01 and 43,368.85 is: 65,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,434.24 : 125,078.01 = 43,368.85 : x
  2. Step 2: Convert to fraction form
    83,434.24/125,078.01 = 43,368.85/x
  3. Step 3: Cross multiply
    83,434.24x = 125,078.01 × 43,368.85
  4. Step 4: Simplify right side
    83,434.24x = 5,424,489,453.99
  5. Step 5: Solve for x
    x = 5,424,489,453.99/83,434.24
  6. Step 6: Final answer
    x = 65,015.15

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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.