Home / 70,849.85-97,769.63-40,613.49

Finding the Fourth Proportional to 70,849.85, 97,769.63 and 40,613.49

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Solution

The fourth proportional to 70,849.85, 97,769.63 and 40,613.49 is: 56,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,849.85 : 97,769.63 = 40,613.49 : x
  2. Step 2: Convert to fraction form
    70,849.85/97,769.63 = 40,613.49/x
  3. Step 3: Cross multiply
    70,849.85x = 97,769.63 × 40,613.49
  4. Step 4: Simplify right side
    70,849.85x = 3,970,765,687.24
  5. Step 5: Solve for x
    x = 3,970,765,687.24/70,849.85
  6. Step 6: Final answer
    x = 56,044.80

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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.