Home / 89,628.06-134,442.14-36,979.68

Finding the Fourth Proportional to 89,628.06, 134,442.14 and 36,979.68

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Solution

The fourth proportional to 89,628.06, 134,442.14 and 36,979.68 is: 55,469.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,628.06 : 134,442.14 = 36,979.68 : x
  2. Step 2: Convert to fraction form
    89,628.06/134,442.14 = 36,979.68/x
  3. Step 3: Cross multiply
    89,628.06x = 134,442.14 × 36,979.68
  4. Step 4: Simplify right side
    89,628.06x = 4,971,627,130.82
  5. Step 5: Solve for x
    x = 4,971,627,130.82/89,628.06
  6. Step 6: Final answer
    x = 55,469.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.