Home / 85,019.64-127,533.99-25,850.82

Finding the Fourth Proportional to 85,019.64, 127,533.99 and 25,850.82

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Solution

The fourth proportional to 85,019.64, 127,533.99 and 25,850.82 is: 38,777.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,019.64 : 127,533.99 = 25,850.82 : x
  2. Step 2: Convert to fraction form
    85,019.64/127,533.99 = 25,850.82/x
  3. Step 3: Cross multiply
    85,019.64x = 127,533.99 × 25,850.82
  4. Step 4: Simplify right side
    85,019.64x = 3,296,858,219.37
  5. Step 5: Solve for x
    x = 3,296,858,219.37/85,019.64
  6. Step 6: Final answer
    x = 38,777.61

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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.