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Finding the Fourth Proportional to 93,553.22, 129,103.57 and 53,267

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Solution

The fourth proportional to 93,553.22, 129,103.57 and 53,267 is: 73,508.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,553.22 : 129,103.57 = 53,267 : x
  2. Step 2: Convert to fraction form
    93,553.22/129,103.57 = 53,267/x
  3. Step 3: Cross multiply
    93,553.22x = 129,103.57 × 53,267
  4. Step 4: Simplify right side
    93,553.22x = 6,876,959,863.19
  5. Step 5: Solve for x
    x = 6,876,959,863.19/93,553.22
  6. Step 6: Final answer
    x = 73,508.53

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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.