Home / 85,247.04-127,872.99-26,081.40

Finding the Fourth Proportional to 85,247.04, 127,872.99 and 26,081.40

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Solution

The fourth proportional to 85,247.04, 127,872.99 and 26,081.40 is: 39,122.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,247.04 : 127,872.99 = 26,081.40 : x
  2. Step 2: Convert to fraction form
    85,247.04/127,872.99 = 26,081.40/x
  3. Step 3: Cross multiply
    85,247.04x = 127,872.99 × 26,081.40
  4. Step 4: Simplify right side
    85,247.04x = 3,335,106,601.39
  5. Step 5: Solve for x
    x = 3,335,106,601.39/85,247.04
  6. Step 6: Final answer
    x = 39,122.84

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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.