Home / 125,815.50-173,626.61-69,228.09

Finding the Fourth Proportional to 125,815.50, 173,626.61 and 69,228.09

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Solution

The fourth proportional to 125,815.50, 173,626.61 and 69,228.09 is: 95,535.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,815.50 : 173,626.61 = 69,228.09 : x
  2. Step 2: Convert to fraction form
    125,815.50/173,626.61 = 69,228.09/x
  3. Step 3: Cross multiply
    125,815.50x = 173,626.61 × 69,228.09
  4. Step 4: Simplify right side
    125,815.50x = 12,019,838,237.33
  5. Step 5: Solve for x
    x = 12,019,838,237.33/125,815.50
  6. Step 6: Final answer
    x = 95,535.43

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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.