Home / 86,122.56-129,186.26-23,793.06

Finding the Fourth Proportional to 86,122.56, 129,186.26 and 23,793.06

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Solution

The fourth proportional to 86,122.56, 129,186.26 and 23,793.06 is: 35,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,122.56 : 129,186.26 = 23,793.06 : x
  2. Step 2: Convert to fraction form
    86,122.56/129,186.26 = 23,793.06/x
  3. Step 3: Cross multiply
    86,122.56x = 129,186.26 × 23,793.06
  4. Step 4: Simplify right side
    86,122.56x = 3,073,736,435.36
  5. Step 5: Solve for x
    x = 3,073,736,435.36/86,122.56
  6. Step 6: Final answer
    x = 35,690.26

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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.