Home / 125,868.92-188,691.05-46,986.80

Finding the Fourth Proportional to 125,868.92, 188,691.05 and 46,986.80

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Solution

The fourth proportional to 125,868.92, 188,691.05 and 46,986.80 is: 70,438.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,868.92 : 188,691.05 = 46,986.80 : x
  2. Step 2: Convert to fraction form
    125,868.92/188,691.05 = 46,986.80/x
  3. Step 3: Cross multiply
    125,868.92x = 188,691.05 × 46,986.80
  4. Step 4: Simplify right side
    125,868.92x = 8,865,987,802.15
  5. Step 5: Solve for x
    x = 8,865,987,802.15/125,868.92
  6. Step 6: Final answer
    x = 70,438.26

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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.