Home / 89,131.26-122,995.80-48,837

Finding the Fourth Proportional to 89,131.26, 122,995.80 and 48,837

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Solution

The fourth proportional to 89,131.26, 122,995.80 and 48,837 is: 67,392.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,131.26 : 122,995.80 = 48,837 : x
  2. Step 2: Convert to fraction form
    89,131.26/122,995.80 = 48,837/x
  3. Step 3: Cross multiply
    89,131.26x = 122,995.80 × 48,837
  4. Step 4: Simplify right side
    89,131.26x = 6,006,745,884.60
  5. Step 5: Solve for x
    x = 6,006,745,884.60/89,131.26
  6. Step 6: Final answer
    x = 67,392.13

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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.