Home / 45,413.06-68,143.28-25,730.06

Finding the Fourth Proportional to 45,413.06, 68,143.28 and 25,730.06

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Solution

The fourth proportional to 45,413.06, 68,143.28 and 25,730.06 is: 38,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,413.06 : 68,143.28 = 25,730.06 : x
  2. Step 2: Convert to fraction form
    45,413.06/68,143.28 = 25,730.06/x
  3. Step 3: Cross multiply
    45,413.06x = 68,143.28 × 25,730.06
  4. Step 4: Simplify right side
    45,413.06x = 1,753,330,213.63
  5. Step 5: Solve for x
    x = 1,753,330,213.63/45,413.06
  6. Step 6: Final answer
    x = 38,608.51

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1.5x scale

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.