Home / 66,979.36-92,457.48-50,260.96

Finding the Fourth Proportional to 66,979.36, 92,457.48 and 50,260.96

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Solution

The fourth proportional to 66,979.36, 92,457.48 and 50,260.96 is: 69,379.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,979.36 : 92,457.48 = 50,260.96 : x
  2. Step 2: Convert to fraction form
    66,979.36/92,457.48 = 50,260.96/x
  3. Step 3: Cross multiply
    66,979.36x = 92,457.48 × 50,260.96
  4. Step 4: Simplify right side
    66,979.36x = 4,647,001,703.98
  5. Step 5: Solve for x
    x = 4,647,001,703.98/66,979.36
  6. Step 6: Final answer
    x = 69,379.61

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1.5x scale

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.