Home / 89,987.36-124,183.49-49,702.14

Finding the Fourth Proportional to 89,987.36, 124,183.49 and 49,702.14

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Solution

The fourth proportional to 89,987.36, 124,183.49 and 49,702.14 is: 68,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,987.36 : 124,183.49 = 49,702.14 : x
  2. Step 2: Convert to fraction form
    89,987.36/124,183.49 = 49,702.14/x
  3. Step 3: Cross multiply
    89,987.36x = 124,183.49 × 49,702.14
  4. Step 4: Simplify right side
    89,987.36x = 6,172,184,957.16
  5. Step 5: Solve for x
    x = 6,172,184,957.16/89,987.36
  6. Step 6: Final answer
    x = 68,589.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.