Home / 102,413.82-153,515.16-39,216.69

Finding the Fourth Proportional to 102,413.82, 153,515.16 and 39,216.69

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Solution

The fourth proportional to 102,413.82, 153,515.16 and 39,216.69 is: 58,784.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,413.82 : 153,515.16 = 39,216.69 : x
  2. Step 2: Convert to fraction form
    102,413.82/153,515.16 = 39,216.69/x
  3. Step 3: Cross multiply
    102,413.82x = 153,515.16 × 39,216.69
  4. Step 4: Simplify right side
    102,413.82x = 6,020,356,440.02
  5. Step 5: Solve for x
    x = 6,020,356,440.02/102,413.82
  6. Step 6: Final answer
    x = 58,784.61

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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.