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Finding the Fourth Proportional to 93,073.64, 139,608.65 and 26,514.20

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Solution

The fourth proportional to 93,073.64, 139,608.65 and 26,514.20 is: 39,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,073.64 : 139,608.65 = 26,514.20 : x
  2. Step 2: Convert to fraction form
    93,073.64/139,608.65 = 26,514.20/x
  3. Step 3: Cross multiply
    93,073.64x = 139,608.65 × 26,514.20
  4. Step 4: Simplify right side
    93,073.64x = 3,701,611,036.07
  5. Step 5: Solve for x
    x = 3,701,611,036.07/93,073.64
  6. Step 6: Final answer
    x = 39,770.78

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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.