Home / 57,348.45-85,980.74-38,581.83

Finding the Fourth Proportional to 57,348.45, 85,980.74 and 38,581.83

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Solution

The fourth proportional to 57,348.45, 85,980.74 and 38,581.83 is: 57,844.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,348.45 : 85,980.74 = 38,581.83 : x
  2. Step 2: Convert to fraction form
    57,348.45/85,980.74 = 38,581.83/x
  3. Step 3: Cross multiply
    57,348.45x = 85,980.74 × 38,581.83
  4. Step 4: Simplify right side
    57,348.45x = 3,317,294,101.05
  5. Step 5: Solve for x
    x = 3,317,294,101.05/57,348.45
  6. Step 6: Final answer
    x = 57,844.53

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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.