Home / 86,115.02-129,197.03-33,539.54

Finding the Fourth Proportional to 86,115.02, 129,197.03 and 33,539.54

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Solution

The fourth proportional to 86,115.02, 129,197.03 and 33,539.54 is: 50,318.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,115.02 : 129,197.03 = 33,539.54 : x
  2. Step 2: Convert to fraction form
    86,115.02/129,197.03 = 33,539.54/x
  3. Step 3: Cross multiply
    86,115.02x = 129,197.03 × 33,539.54
  4. Step 4: Simplify right side
    86,115.02x = 4,333,208,141.88
  5. Step 5: Solve for x
    x = 4,333,208,141.88/86,115.02
  6. Step 6: Final answer
    x = 50,318.85

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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.