Home / 48,413.15-72,619.79-15,133.39

Finding the Fourth Proportional to 48,413.15, 72,619.79 and 15,133.39

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Solution

The fourth proportional to 48,413.15, 72,619.79 and 15,133.39 is: 22,700.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,413.15 : 72,619.79 = 15,133.39 : x
  2. Step 2: Convert to fraction form
    48,413.15/72,619.79 = 15,133.39/x
  3. Step 3: Cross multiply
    48,413.15x = 72,619.79 × 15,133.39
  4. Step 4: Simplify right side
    48,413.15x = 1,098,983,603.79
  5. Step 5: Solve for x
    x = 1,098,983,603.79/48,413.15
  6. Step 6: Final answer
    x = 22,700.11

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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.