Home / 93,845.12-140,788.92-31,514

Finding the Fourth Proportional to 93,845.12, 140,788.92 and 31,514

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Solution

The fourth proportional to 93,845.12, 140,788.92 and 31,514 is: 47,278.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,845.12 : 140,788.92 = 31,514 : x
  2. Step 2: Convert to fraction form
    93,845.12/140,788.92 = 31,514/x
  3. Step 3: Cross multiply
    93,845.12x = 140,788.92 × 31,514
  4. Step 4: Simplify right side
    93,845.12x = 4,436,822,024.88
  5. Step 5: Solve for x
    x = 4,436,822,024.88/93,845.12
  6. Step 6: Final answer
    x = 47,278.13

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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.