Home / 86,336.51-129,403.71-32,993.55

Finding the Fourth Proportional to 86,336.51, 129,403.71 and 32,993.55

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Solution

The fourth proportional to 86,336.51, 129,403.71 and 32,993.55 is: 49,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,336.51 : 129,403.71 = 32,993.55 : x
  2. Step 2: Convert to fraction form
    86,336.51/129,403.71 = 32,993.55/x
  3. Step 3: Cross multiply
    86,336.51x = 129,403.71 × 32,993.55
  4. Step 4: Simplify right side
    86,336.51x = 4,269,487,776.07
  5. Step 5: Solve for x
    x = 4,269,487,776.07/86,336.51
  6. Step 6: Final answer
    x = 49,451.71

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1.5x scale

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.