Home / 86,927.94-130,391.82-27,768.15

Finding the Fourth Proportional to 86,927.94, 130,391.82 and 27,768.15

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Solution

The fourth proportional to 86,927.94, 130,391.82 and 27,768.15 is: 41,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,927.94 : 130,391.82 = 27,768.15 : x
  2. Step 2: Convert to fraction form
    86,927.94/130,391.82 = 27,768.15/x
  3. Step 3: Cross multiply
    86,927.94x = 130,391.82 × 27,768.15
  4. Step 4: Simplify right side
    86,927.94x = 3,620,739,616.53
  5. Step 5: Solve for x
    x = 3,620,739,616.53/86,927.94
  6. Step 6: Final answer
    x = 41,652.20

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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.