Home / 125,399.04-173,050.20-68,811.36

Finding the Fourth Proportional to 125,399.04, 173,050.20 and 68,811.36

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Solution

The fourth proportional to 125,399.04, 173,050.20 and 68,811.36 is: 94,959.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,399.04 : 173,050.20 = 68,811.36 : x
  2. Step 2: Convert to fraction form
    125,399.04/173,050.20 = 68,811.36/x
  3. Step 3: Cross multiply
    125,399.04x = 173,050.20 × 68,811.36
  4. Step 4: Simplify right side
    125,399.04x = 11,907,819,610.27
  5. Step 5: Solve for x
    x = 11,907,819,610.27/125,399.04
  6. Step 6: Final answer
    x = 94,959.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.