Home / 61,231.18-91,847.16-16,856.92

Finding the Fourth Proportional to 61,231.18, 91,847.16 and 16,856.92

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Solution

The fourth proportional to 61,231.18, 91,847.16 and 16,856.92 is: 25,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,231.18 : 91,847.16 = 16,856.92 : x
  2. Step 2: Convert to fraction form
    61,231.18/91,847.16 = 16,856.92/x
  3. Step 3: Cross multiply
    61,231.18x = 91,847.16 × 16,856.92
  4. Step 4: Simplify right side
    61,231.18x = 1,548,260,228.35
  5. Step 5: Solve for x
    x = 1,548,260,228.35/61,231.18
  6. Step 6: Final answer
    x = 25,285.49

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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.