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Finding the Fourth Proportional to 77,467.56, 116,220.72 and 22,063.56

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Solution

The fourth proportional to 77,467.56, 116,220.72 and 22,063.56 is: 33,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,467.56 : 116,220.72 = 22,063.56 : x
  2. Step 2: Convert to fraction form
    77,467.56/116,220.72 = 22,063.56/x
  3. Step 3: Cross multiply
    77,467.56x = 116,220.72 × 22,063.56
  4. Step 4: Simplify right side
    77,467.56x = 2,564,242,828.96
  5. Step 5: Solve for x
    x = 2,564,242,828.96/77,467.56
  6. Step 6: Final answer
    x = 33,100.86

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1.5x scale

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.