Home / 109,413.08-164,119.61-34,585.78

Finding the Fourth Proportional to 109,413.08, 164,119.61 and 34,585.78

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Solution

The fourth proportional to 109,413.08, 164,119.61 and 34,585.78 is: 51,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,413.08 : 164,119.61 = 34,585.78 : x
  2. Step 2: Convert to fraction form
    109,413.08/164,119.61 = 34,585.78/x
  3. Step 3: Cross multiply
    109,413.08x = 164,119.61 × 34,585.78
  4. Step 4: Simplify right side
    109,413.08x = 5,676,204,401.31
  5. Step 5: Solve for x
    x = 5,676,204,401.31/109,413.08
  6. Step 6: Final answer
    x = 51,878.67

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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.