Home / 48,413.16-72,619.78-15,133.40

Finding the Fourth Proportional to 48,413.16, 72,619.78 and 15,133.40

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Solution

The fourth proportional to 48,413.16, 72,619.78 and 15,133.40 is: 22,700.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,413.16 : 72,619.78 = 15,133.40 : x
  2. Step 2: Convert to fraction form
    48,413.16/72,619.78 = 15,133.40/x
  3. Step 3: Cross multiply
    48,413.16x = 72,619.78 × 15,133.40
  4. Step 4: Simplify right side
    48,413.16x = 1,098,984,178.65
  5. Step 5: Solve for x
    x = 1,098,984,178.65/48,413.16
  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.