Home / 86,509.18-129,836.68-33,955.56

Finding the Fourth Proportional to 86,509.18, 129,836.68 and 33,955.56

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Solution

The fourth proportional to 86,509.18, 129,836.68 and 33,955.56 is: 50,961.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,509.18 : 129,836.68 = 33,955.56 : x
  2. Step 2: Convert to fraction form
    86,509.18/129,836.68 = 33,955.56/x
  3. Step 3: Cross multiply
    86,509.18x = 129,836.68 × 33,955.56
  4. Step 4: Simplify right side
    86,509.18x = 4,408,677,177.94
  5. Step 5: Solve for x
    x = 4,408,677,177.94/86,509.18
  6. Step 6: Final answer
    x = 50,961.96

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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.