Home / 87,003.58-130,506.14-34,413.06

Finding the Fourth Proportional to 87,003.58, 130,506.14 and 34,413.06

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Solution

The fourth proportional to 87,003.58, 130,506.14 and 34,413.06 is: 51,619.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,003.58 : 130,506.14 = 34,413.06 : x
  2. Step 2: Convert to fraction form
    87,003.58/130,506.14 = 34,413.06/x
  3. Step 3: Cross multiply
    87,003.58x = 130,506.14 × 34,413.06
  4. Step 4: Simplify right side
    87,003.58x = 4,491,115,626.19
  5. Step 5: Solve for x
    x = 4,491,115,626.19/87,003.58
  6. Step 6: Final answer
    x = 51,619.89

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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.