Home / 89,990.08-134,961.60-26,793.10

Finding the Fourth Proportional to 89,990.08, 134,961.60 and 26,793.10

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Solution

The fourth proportional to 89,990.08, 134,961.60 and 26,793.10 is: 40,182.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,990.08 : 134,961.60 = 26,793.10 : x
  2. Step 2: Convert to fraction form
    89,990.08/134,961.60 = 26,793.10/x
  3. Step 3: Cross multiply
    89,990.08x = 134,961.60 × 26,793.10
  4. Step 4: Simplify right side
    89,990.08x = 3,616,039,644.96
  5. Step 5: Solve for x
    x = 3,616,039,644.96/89,990.08
  6. Step 6: Final answer
    x = 40,182.65

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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.