Home / 67,676.11-101,457.09-42,661.04

Finding the Fourth Proportional to 67,676.11, 101,457.09 and 42,661.04

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Solution

The fourth proportional to 67,676.11, 101,457.09 and 42,661.04 is: 63,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,676.11 : 101,457.09 = 42,661.04 : x
  2. Step 2: Convert to fraction form
    67,676.11/101,457.09 = 42,661.04/x
  3. Step 3: Cross multiply
    67,676.11x = 101,457.09 × 42,661.04
  4. Step 4: Simplify right side
    67,676.11x = 4,328,264,467.49
  5. Step 5: Solve for x
    x = 4,328,264,467.49/67,676.11
  6. Step 6: Final answer
    x = 63,955.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.