Home / 76,641.96-105,733.26-43,919.04

Finding the Fourth Proportional to 76,641.96, 105,733.26 and 43,919.04

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Solution

The fourth proportional to 76,641.96, 105,733.26 and 43,919.04 is: 60,589.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,641.96 : 105,733.26 = 43,919.04 : x
  2. Step 2: Convert to fraction form
    76,641.96/105,733.26 = 43,919.04/x
  3. Step 3: Cross multiply
    76,641.96x = 105,733.26 × 43,919.04
  4. Step 4: Simplify right side
    76,641.96x = 4,643,703,275.27
  5. Step 5: Solve for x
    x = 4,643,703,275.27/76,641.96
  6. Step 6: Final answer
    x = 60,589.57

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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.