Home / 50,285.76-75,431.16-12,846.12

Finding the Fourth Proportional to 50,285.76, 75,431.16 and 12,846.12

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Solution

The fourth proportional to 50,285.76, 75,431.16 and 12,846.12 is: 19,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,285.76 : 75,431.16 = 12,846.12 : x
  2. Step 2: Convert to fraction form
    50,285.76/75,431.16 = 12,846.12/x
  3. Step 3: Cross multiply
    50,285.76x = 75,431.16 × 12,846.12
  4. Step 4: Simplify right side
    50,285.76x = 968,997,733.10
  5. Step 5: Solve for x
    x = 968,997,733.10/50,285.76
  6. Step 6: Final answer
    x = 19,269.82

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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.