Home / 84,014.21-115,780.12-60,099.37

Finding the Fourth Proportional to 84,014.21, 115,780.12 and 60,099.37

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Solution

The fourth proportional to 84,014.21, 115,780.12 and 60,099.37 is: 82,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,014.21 : 115,780.12 = 60,099.37 : x
  2. Step 2: Convert to fraction form
    84,014.21/115,780.12 = 60,099.37/x
  3. Step 3: Cross multiply
    84,014.21x = 115,780.12 × 60,099.37
  4. Step 4: Simplify right side
    84,014.21x = 6,958,311,830.83
  5. Step 5: Solve for x
    x = 6,958,311,830.83/84,014.21
  6. Step 6: Final answer
    x = 82,823.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.