Home / 79,413.72-119,135.16-26,108.70

Finding the Fourth Proportional to 79,413.72, 119,135.16 and 26,108.70

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Solution

The fourth proportional to 79,413.72, 119,135.16 and 26,108.70 is: 39,167.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,413.72 : 119,135.16 = 26,108.70 : x
  2. Step 2: Convert to fraction form
    79,413.72/119,135.16 = 26,108.70/x
  3. Step 3: Cross multiply
    79,413.72x = 119,135.16 × 26,108.70
  4. Step 4: Simplify right side
    79,413.72x = 3,110,464,151.89
  5. Step 5: Solve for x
    x = 3,110,464,151.89/79,413.72
  6. Step 6: Final answer
    x = 39,167.84

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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.