Home / 57,165.70-85,505.55-51,285.10

Finding the Fourth Proportional to 57,165.70, 85,505.55 and 51,285.10

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Solution

The fourth proportional to 57,165.70, 85,505.55 and 51,285.10 is: 76,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,165.70 : 85,505.55 = 51,285.10 : x
  2. Step 2: Convert to fraction form
    57,165.70/85,505.55 = 51,285.10/x
  3. Step 3: Cross multiply
    57,165.70x = 85,505.55 × 51,285.10
  4. Step 4: Simplify right side
    57,165.70x = 4,385,160,682.31
  5. Step 5: Solve for x
    x = 4,385,160,682.31/57,165.70
  6. Step 6: Final answer
    x = 76,709.65

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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.