Home / 68,676.24-94,765.38-38,457.36

Finding the Fourth Proportional to 68,676.24, 94,765.38 and 38,457.36

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Solution

The fourth proportional to 68,676.24, 94,765.38 and 38,457.36 is: 53,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,676.24 : 94,765.38 = 38,457.36 : x
  2. Step 2: Convert to fraction form
    68,676.24/94,765.38 = 38,457.36/x
  3. Step 3: Cross multiply
    68,676.24x = 94,765.38 × 38,457.36
  4. Step 4: Simplify right side
    68,676.24x = 3,644,426,334.20
  5. Step 5: Solve for x
    x = 3,644,426,334.20/68,676.24
  6. Step 6: Final answer
    x = 53,066.77

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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.