Home / 89,110.06-122,960.20-53,287

Finding the Fourth Proportional to 89,110.06, 122,960.20 and 53,287

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Solution

The fourth proportional to 89,110.06, 122,960.20 and 53,287 is: 73,529.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,110.06 : 122,960.20 = 53,287 : x
  2. Step 2: Convert to fraction form
    89,110.06/122,960.20 = 53,287/x
  3. Step 3: Cross multiply
    89,110.06x = 122,960.20 × 53,287
  4. Step 4: Simplify right side
    89,110.06x = 6,552,180,177.40
  5. Step 5: Solve for x
    x = 6,552,180,177.40/89,110.06
  6. Step 6: Final answer
    x = 73,529.07

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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.