Home / 57,183-78,939.90-38,094.75

Finding the Fourth Proportional to 57,183, 78,939.90 and 38,094.75

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Solution

The fourth proportional to 57,183, 78,939.90 and 38,094.75 is: 52,588.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,183 : 78,939.90 = 38,094.75 : x
  2. Step 2: Convert to fraction form
    57,183/78,939.90 = 38,094.75/x
  3. Step 3: Cross multiply
    57,183x = 78,939.90 × 38,094.75
  4. Step 4: Simplify right side
    57,183x = 3,007,195,755.53
  5. Step 5: Solve for x
    x = 3,007,195,755.53/57,183
  6. Step 6: Final answer
    x = 52,588.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.