Home / 86,054.81-129,081.60-50,969.25

Finding the Fourth Proportional to 86,054.81, 129,081.60 and 50,969.25

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Solution

The fourth proportional to 86,054.81, 129,081.60 and 50,969.25 is: 76,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,054.81 : 129,081.60 = 50,969.25 : x
  2. Step 2: Convert to fraction form
    86,054.81/129,081.60 = 50,969.25/x
  3. Step 3: Cross multiply
    86,054.81x = 129,081.60 × 50,969.25
  4. Step 4: Simplify right side
    86,054.81x = 6,579,192,340.80
  5. Step 5: Solve for x
    x = 6,579,192,340.80/86,054.81
  6. Step 6: Final answer
    x = 76,453.52

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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.