Home / 48,476.43-72,716.26-13,413.15

Finding the Fourth Proportional to 48,476.43, 72,716.26 and 13,413.15

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Solution

The fourth proportional to 48,476.43, 72,716.26 and 13,413.15 is: 20,120.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,476.43 : 72,716.26 = 13,413.15 : x
  2. Step 2: Convert to fraction form
    48,476.43/72,716.26 = 13,413.15/x
  3. Step 3: Cross multiply
    48,476.43x = 72,716.26 × 13,413.15
  4. Step 4: Simplify right side
    48,476.43x = 975,354,102.82
  5. Step 5: Solve for x
    x = 975,354,102.82/48,476.43
  6. Step 6: Final answer
    x = 20,120.17

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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.