Home / 89,640.86-134,483.26-27,311.36

Finding the Fourth Proportional to 89,640.86, 134,483.26 and 27,311.36

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Solution

The fourth proportional to 89,640.86, 134,483.26 and 27,311.36 is: 40,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,640.86 : 134,483.26 = 27,311.36 : x
  2. Step 2: Convert to fraction form
    89,640.86/134,483.26 = 27,311.36/x
  3. Step 3: Cross multiply
    89,640.86x = 134,483.26 × 27,311.36
  4. Step 4: Simplify right side
    89,640.86x = 3,672,920,727.83
  5. Step 5: Solve for x
    x = 3,672,920,727.83/89,640.86
  6. Step 6: Final answer
    x = 40,973.73

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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.