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Finding the Fourth Proportional to 89,846.31, 134,664.67 and 67,588.12

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Solution

The fourth proportional to 89,846.31, 134,664.67 and 67,588.12 is: 101,303.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,846.31 : 134,664.67 = 67,588.12 : x
  2. Step 2: Convert to fraction form
    89,846.31/134,664.67 = 67,588.12/x
  3. Step 3: Cross multiply
    89,846.31x = 134,664.67 × 67,588.12
  4. Step 4: Simplify right side
    89,846.31x = 9,101,731,370.09
  5. Step 5: Solve for x
    x = 9,101,731,370.09/89,846.31
  6. Step 6: Final answer
    x = 101,303.34

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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.