Home / 89,936.32-134,900.48-30,777.28

Finding the Fourth Proportional to 89,936.32, 134,900.48 and 30,777.28

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Solution

The fourth proportional to 89,936.32, 134,900.48 and 30,777.28 is: 46,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,936.32 : 134,900.48 = 30,777.28 : x
  2. Step 2: Convert to fraction form
    89,936.32/134,900.48 = 30,777.28/x
  3. Step 3: Cross multiply
    89,936.32x = 134,900.48 × 30,777.28
  4. Step 4: Simplify right side
    89,936.32x = 4,151,869,845.09
  5. Step 5: Solve for x
    x = 4,151,869,845.09/89,936.32
  6. Step 6: Final answer
    x = 46,164.55

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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.