Home / 86,983.56-130,434.18-33,700.48

Finding the Fourth Proportional to 86,983.56, 130,434.18 and 33,700.48

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Solution

The fourth proportional to 86,983.56, 130,434.18 and 33,700.48 is: 50,534.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,983.56 : 130,434.18 = 33,700.48 : x
  2. Step 2: Convert to fraction form
    86,983.56/130,434.18 = 33,700.48/x
  3. Step 3: Cross multiply
    86,983.56x = 130,434.18 × 33,700.48
  4. Step 4: Simplify right side
    86,983.56x = 4,395,694,474.41
  5. Step 5: Solve for x
    x = 4,395,694,474.41/86,983.56
  6. Step 6: Final answer
    x = 50,534.77

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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.