Home / 68,343.18-94,313.70-40,048.89

Finding the Fourth Proportional to 68,343.18, 94,313.70 and 40,048.89

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Solution

The fourth proportional to 68,343.18, 94,313.70 and 40,048.89 is: 55,267.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,343.18 : 94,313.70 = 40,048.89 : x
  2. Step 2: Convert to fraction form
    68,343.18/94,313.70 = 40,048.89/x
  3. Step 3: Cross multiply
    68,343.18x = 94,313.70 × 40,048.89
  4. Step 4: Simplify right side
    68,343.18x = 3,777,158,996.79
  5. Step 5: Solve for x
    x = 3,777,158,996.79/68,343.18
  6. Step 6: Final answer
    x = 55,267.53

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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.