Home / 121,305.24-167,399.00-67,589.10

Finding the Fourth Proportional to 121,305.24, 167,399.00 and 67,589.10

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Solution

The fourth proportional to 121,305.24, 167,399.00 and 67,589.10 is: 93,271.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,305.24 : 167,399.00 = 67,589.10 : x
  2. Step 2: Convert to fraction form
    121,305.24/167,399.00 = 67,589.10/x
  3. Step 3: Cross multiply
    121,305.24x = 167,399.00 × 67,589.10
  4. Step 4: Simplify right side
    121,305.24x = 11,314,348,338.37
  5. Step 5: Solve for x
    x = 11,314,348,338.37/121,305.24
  6. Step 6: Final answer
    x = 93,271.72

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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.