Home / 89,139.72-122,986.44-50,898

Finding the Fourth Proportional to 89,139.72, 122,986.44 and 50,898

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Solution

The fourth proportional to 89,139.72, 122,986.44 and 50,898 is: 70,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,139.72 : 122,986.44 = 50,898 : x
  2. Step 2: Convert to fraction form
    89,139.72/122,986.44 = 50,898/x
  3. Step 3: Cross multiply
    89,139.72x = 122,986.44 × 50,898
  4. Step 4: Simplify right side
    89,139.72x = 6,259,763,823.12
  5. Step 5: Solve for x
    x = 6,259,763,823.12/89,139.72
  6. Step 6: Final answer
    x = 70,224.18

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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.