Home / 87,004.08-130,506.89-34,413.56

Finding the Fourth Proportional to 87,004.08, 130,506.89 and 34,413.56

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Solution

The fourth proportional to 87,004.08, 130,506.89 and 34,413.56 is: 51,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,004.08 : 130,506.89 = 34,413.56 : x
  2. Step 2: Convert to fraction form
    87,004.08/130,506.89 = 34,413.56/x
  3. Step 3: Cross multiply
    87,004.08x = 130,506.89 × 34,413.56
  4. Step 4: Simplify right side
    87,004.08x = 4,491,206,689.43
  5. Step 5: Solve for x
    x = 4,491,206,689.43/87,004.08
  6. Step 6: Final answer
    x = 51,620.64

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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.