Home / 57,609.20-86,413.81-18,169.40

Finding the Fourth Proportional to 57,609.20, 86,413.81 and 18,169.40

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Solution

The fourth proportional to 57,609.20, 86,413.81 and 18,169.40 is: 27,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,609.20 : 86,413.81 = 18,169.40 : x
  2. Step 2: Convert to fraction form
    57,609.20/86,413.81 = 18,169.40/x
  3. Step 3: Cross multiply
    57,609.20x = 86,413.81 × 18,169.40
  4. Step 4: Simplify right side
    57,609.20x = 1,570,087,079.41
  5. Step 5: Solve for x
    x = 1,570,087,079.41/57,609.20
  6. Step 6: Final answer
    x = 27,254.10

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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.