Home / 86,813.85-130,227.98-27,647.85

Finding the Fourth Proportional to 86,813.85, 130,227.98 and 27,647.85

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Solution

The fourth proportional to 86,813.85, 130,227.98 and 27,647.85 is: 41,474.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,813.85 : 130,227.98 = 27,647.85 : x
  2. Step 2: Convert to fraction form
    86,813.85/130,227.98 = 27,647.85/x
  3. Step 3: Cross multiply
    86,813.85x = 130,227.98 × 27,647.85
  4. Step 4: Simplify right side
    86,813.85x = 3,600,523,518.60
  5. Step 5: Solve for x
    x = 3,600,523,518.60/86,813.85
  6. Step 6: Final answer
    x = 41,474.07

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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.