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Finding the Fourth Proportional to 80,063.52, 110,537.44 and 55,578.72

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Solution

The fourth proportional to 80,063.52, 110,537.44 and 55,578.72 is: 76,733.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,063.52 : 110,537.44 = 55,578.72 : x
  2. Step 2: Convert to fraction form
    80,063.52/110,537.44 = 55,578.72/x
  3. Step 3: Cross multiply
    80,063.52x = 110,537.44 × 55,578.72
  4. Step 4: Simplify right side
    80,063.52x = 6,143,529,427.28
  5. Step 5: Solve for x
    x = 6,143,529,427.28/80,063.52
  6. Step 6: Final answer
    x = 76,733.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.