Home / 89,493.08-134,239.01-30,370.37

Finding the Fourth Proportional to 89,493.08, 134,239.01 and 30,370.37

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Solution

The fourth proportional to 89,493.08, 134,239.01 and 30,370.37 is: 45,555.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,493.08 : 134,239.01 = 30,370.37 : x
  2. Step 2: Convert to fraction form
    89,493.08/134,239.01 = 30,370.37/x
  3. Step 3: Cross multiply
    89,493.08x = 134,239.01 × 30,370.37
  4. Step 4: Simplify right side
    89,493.08x = 4,076,887,579.09
  5. Step 5: Solve for x
    x = 4,076,887,579.09/89,493.08
  6. Step 6: Final answer
    x = 45,555.34

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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.