Home / 86,685.36-130,022.37-27,524.58

Finding the Fourth Proportional to 86,685.36, 130,022.37 and 27,524.58

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Solution

The fourth proportional to 86,685.36, 130,022.37 and 27,524.58 is: 41,285.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,685.36 : 130,022.37 = 27,524.58 : x
  2. Step 2: Convert to fraction form
    86,685.36/130,022.37 = 27,524.58/x
  3. Step 3: Cross multiply
    86,685.36x = 130,022.37 × 27,524.58
  4. Step 4: Simplify right side
    86,685.36x = 3,578,811,124.85
  5. Step 5: Solve for x
    x = 3,578,811,124.85/86,685.36
  6. Step 6: Final answer
    x = 41,285.07

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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.