Home / 70,342.25-97,072.58-38,514.11

Finding the Fourth Proportional to 70,342.25, 97,072.58 and 38,514.11

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Solution

The fourth proportional to 70,342.25, 97,072.58 and 38,514.11 is: 53,149.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,342.25 : 97,072.58 = 38,514.11 : x
  2. Step 2: Convert to fraction form
    70,342.25/97,072.58 = 38,514.11/x
  3. Step 3: Cross multiply
    70,342.25x = 97,072.58 × 38,514.11
  4. Step 4: Simplify right side
    70,342.25x = 3,738,664,024.10
  5. Step 5: Solve for x
    x = 3,738,664,024.10/70,342.25
  6. Step 6: Final answer
    x = 53,149.62

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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.