Home / 89,945.08-134,894.10-26,748.20

Finding the Fourth Proportional to 89,945.08, 134,894.10 and 26,748.20

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Solution

The fourth proportional to 89,945.08, 134,894.10 and 26,748.20 is: 40,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,945.08 : 134,894.10 = 26,748.20 : x
  2. Step 2: Convert to fraction form
    89,945.08/134,894.10 = 26,748.20/x
  3. Step 3: Cross multiply
    89,945.08x = 134,894.10 × 26,748.20
  4. Step 4: Simplify right side
    89,945.08x = 3,608,174,365.62
  5. Step 5: Solve for x
    x = 3,608,174,365.62/89,945.08
  6. Step 6: Final answer
    x = 40,115.31

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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.