Home / 86,719.60-130,089.38-33,399.14

Finding the Fourth Proportional to 86,719.60, 130,089.38 and 33,399.14

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Solution

The fourth proportional to 86,719.60, 130,089.38 and 33,399.14 is: 50,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,719.60 : 130,089.38 = 33,399.14 : x
  2. Step 2: Convert to fraction form
    86,719.60/130,089.38 = 33,399.14/x
  3. Step 3: Cross multiply
    86,719.60x = 130,089.38 × 33,399.14
  4. Step 4: Simplify right side
    86,719.60x = 4,344,873,248.14
  5. Step 5: Solve for x
    x = 4,344,873,248.14/86,719.60
  6. Step 6: Final answer
    x = 50,102.55

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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.