Home / 86,413.29-119,257.44-47,658.69

Finding the Fourth Proportional to 86,413.29, 119,257.44 and 47,658.69

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Solution

The fourth proportional to 86,413.29, 119,257.44 and 47,658.69 is: 65,772.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,413.29 : 119,257.44 = 47,658.69 : x
  2. Step 2: Convert to fraction form
    86,413.29/119,257.44 = 47,658.69/x
  3. Step 3: Cross multiply
    86,413.29x = 119,257.44 × 47,658.69
  4. Step 4: Simplify right side
    86,413.29x = 5,683,653,363.15
  5. Step 5: Solve for x
    x = 5,683,653,363.15/86,413.29
  6. Step 6: Final answer
    x = 65,772.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.