Home / 86,033.46-129,043.81-36,111.54

Finding the Fourth Proportional to 86,033.46, 129,043.81 and 36,111.54

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Solution

The fourth proportional to 86,033.46, 129,043.81 and 36,111.54 is: 54,164.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,033.46 : 129,043.81 = 36,111.54 : x
  2. Step 2: Convert to fraction form
    86,033.46/129,043.81 = 36,111.54/x
  3. Step 3: Cross multiply
    86,033.46x = 129,043.81 × 36,111.54
  4. Step 4: Simplify right side
    86,033.46x = 4,659,970,526.01
  5. Step 5: Solve for x
    x = 4,659,970,526.01/86,033.46
  6. Step 6: Final answer
    x = 54,164.63

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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.