Home / 89,084.26-122,931.03-48,790

Finding the Fourth Proportional to 89,084.26, 122,931.03 and 48,790

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Solution

The fourth proportional to 89,084.26, 122,931.03 and 48,790 is: 67,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,084.26 : 122,931.03 = 48,790 : x
  2. Step 2: Convert to fraction form
    89,084.26/122,931.03 = 48,790/x
  3. Step 3: Cross multiply
    89,084.26x = 122,931.03 × 48,790
  4. Step 4: Simplify right side
    89,084.26x = 5,997,804,953.70
  5. Step 5: Solve for x
    x = 5,997,804,953.70/89,084.26
  6. Step 6: Final answer
    x = 67,327.33

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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.