Home / 90,413.65-124,745.52-52,680.61

Finding the Fourth Proportional to 90,413.65, 124,745.52 and 52,680.61

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Solution

The fourth proportional to 90,413.65, 124,745.52 and 52,680.61 is: 72,684.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,413.65 : 124,745.52 = 52,680.61 : x
  2. Step 2: Convert to fraction form
    90,413.65/124,745.52 = 52,680.61/x
  3. Step 3: Cross multiply
    90,413.65x = 124,745.52 × 52,680.61
  4. Step 4: Simplify right side
    90,413.65x = 6,571,670,088.37
  5. Step 5: Solve for x
    x = 6,571,670,088.37/90,413.65
  6. Step 6: Final answer
    x = 72,684.49

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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.