Home / 87,058.67-130,413.04-45,418.19

Finding the Fourth Proportional to 87,058.67, 130,413.04 and 45,418.19

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Solution

The fourth proportional to 87,058.67, 130,413.04 and 45,418.19 is: 68,036.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,058.67 : 130,413.04 = 45,418.19 : x
  2. Step 2: Convert to fraction form
    87,058.67/130,413.04 = 45,418.19/x
  3. Step 3: Cross multiply
    87,058.67x = 130,413.04 × 45,418.19
  4. Step 4: Simplify right side
    87,058.67x = 5,923,124,229.20
  5. Step 5: Solve for x
    x = 5,923,124,229.20/87,058.67
  6. Step 6: Final answer
    x = 68,036.01

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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.