Home / 114,942.30-172,413.45-67,508.70

Finding the Fourth Proportional to 114,942.30, 172,413.45 and 67,508.70

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Solution

The fourth proportional to 114,942.30, 172,413.45 and 67,508.70 is: 101,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,942.30 : 172,413.45 = 67,508.70 : x
  2. Step 2: Convert to fraction form
    114,942.30/172,413.45 = 67,508.70/x
  3. Step 3: Cross multiply
    114,942.30x = 172,413.45 × 67,508.70
  4. Step 4: Simplify right side
    114,942.30x = 11,639,407,872.02
  5. Step 5: Solve for x
    x = 11,639,407,872.02/114,942.30
  6. Step 6: Final answer
    x = 101,263.05

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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.