Home / 125,972.61-188,957.73-51,074.95

Finding the Fourth Proportional to 125,972.61, 188,957.73 and 51,074.95

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Solution

The fourth proportional to 125,972.61, 188,957.73 and 51,074.95 is: 76,611.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,972.61 : 188,957.73 = 51,074.95 : x
  2. Step 2: Convert to fraction form
    125,972.61/188,957.73 = 51,074.95/x
  3. Step 3: Cross multiply
    125,972.61x = 188,957.73 × 51,074.95
  4. Step 4: Simplify right side
    125,972.61x = 9,651,006,611.86
  5. Step 5: Solve for x
    x = 9,651,006,611.86/125,972.61
  6. Step 6: Final answer
    x = 76,611.94

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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.