Home / 70,680.18-97,540.53-38,849.94

Finding the Fourth Proportional to 70,680.18, 97,540.53 and 38,849.94

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Solution

The fourth proportional to 70,680.18, 97,540.53 and 38,849.94 is: 53,613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,680.18 : 97,540.53 = 38,849.94 : x
  2. Step 2: Convert to fraction form
    70,680.18/97,540.53 = 38,849.94/x
  3. Step 3: Cross multiply
    70,680.18x = 97,540.53 × 38,849.94
  4. Step 4: Simplify right side
    70,680.18x = 3,789,443,738.07
  5. Step 5: Solve for x
    x = 3,789,443,738.07/70,680.18
  6. Step 6: Final answer
    x = 53,613.95

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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.