Home / 86,313.09-129,485.97-33,719.25

Finding the Fourth Proportional to 86,313.09, 129,485.97 and 33,719.25

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Solution

The fourth proportional to 86,313.09, 129,485.97 and 33,719.25 is: 50,585.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,313.09 : 129,485.97 = 33,719.25 : x
  2. Step 2: Convert to fraction form
    86,313.09/129,485.97 = 33,719.25/x
  3. Step 3: Cross multiply
    86,313.09x = 129,485.97 × 33,719.25
  4. Step 4: Simplify right side
    86,313.09x = 4,366,169,793.92
  5. Step 5: Solve for x
    x = 4,366,169,793.92/86,313.09
  6. Step 6: Final answer
    x = 50,585.26

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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.