Home / 89,943.96-124,119.39-49,656.87

Finding the Fourth Proportional to 89,943.96, 124,119.39 and 49,656.87

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Solution

The fourth proportional to 89,943.96, 124,119.39 and 49,656.87 is: 68,524.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,943.96 : 124,119.39 = 49,656.87 : x
  2. Step 2: Convert to fraction form
    89,943.96/124,119.39 = 49,656.87/x
  3. Step 3: Cross multiply
    89,943.96x = 124,119.39 × 49,656.87
  4. Step 4: Simplify right side
    89,943.96x = 6,163,380,413.71
  5. Step 5: Solve for x
    x = 6,163,380,413.71/89,943.96
  6. Step 6: Final answer
    x = 68,524.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.