Home / 57,336.60-85,832.10-51,115.80

Finding the Fourth Proportional to 57,336.60, 85,832.10 and 51,115.80

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Solution

The fourth proportional to 57,336.60, 85,832.10 and 51,115.80 is: 76,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,336.60 : 85,832.10 = 51,115.80 : x
  2. Step 2: Convert to fraction form
    57,336.60/85,832.10 = 51,115.80/x
  3. Step 3: Cross multiply
    57,336.60x = 85,832.10 × 51,115.80
  4. Step 4: Simplify right side
    57,336.60x = 4,387,376,457.18
  5. Step 5: Solve for x
    x = 4,387,376,457.18/57,336.60
  6. Step 6: Final answer
    x = 76,519.65

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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.