Home / 77,413.55-116,149.91-30,061.89

Finding the Fourth Proportional to 77,413.55, 116,149.91 and 30,061.89

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Solution

The fourth proportional to 77,413.55, 116,149.91 and 30,061.89 is: 45,104.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,413.55 : 116,149.91 = 30,061.89 : x
  2. Step 2: Convert to fraction form
    77,413.55/116,149.91 = 30,061.89/x
  3. Step 3: Cross multiply
    77,413.55x = 116,149.91 × 30,061.89
  4. Step 4: Simplify right side
    77,413.55x = 3,491,685,667.62
  5. Step 5: Solve for x
    x = 3,491,685,667.62/77,413.55
  6. Step 6: Final answer
    x = 45,104.32

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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.