Home / 75,077.26-103,590.39-47,863.69

Finding the Fourth Proportional to 75,077.26, 103,590.39 and 47,863.69

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Solution

The fourth proportional to 75,077.26, 103,590.39 and 47,863.69 is: 66,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,077.26 : 103,590.39 = 47,863.69 : x
  2. Step 2: Convert to fraction form
    75,077.26/103,590.39 = 47,863.69/x
  3. Step 3: Cross multiply
    75,077.26x = 103,590.39 × 47,863.69
  4. Step 4: Simplify right side
    75,077.26x = 4,958,218,313.94
  5. Step 5: Solve for x
    x = 4,958,218,313.94/75,077.26
  6. Step 6: Final answer
    x = 66,041.55

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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.