Home / 57,236.18-85,859.73-17,782.70

Finding the Fourth Proportional to 57,236.18, 85,859.73 and 17,782.70

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Solution

The fourth proportional to 57,236.18, 85,859.73 and 17,782.70 is: 26,675.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,236.18 : 85,859.73 = 17,782.70 : x
  2. Step 2: Convert to fraction form
    57,236.18/85,859.73 = 17,782.70/x
  3. Step 3: Cross multiply
    57,236.18x = 85,859.73 × 17,782.70
  4. Step 4: Simplify right side
    57,236.18x = 1,526,817,391.37
  5. Step 5: Solve for x
    x = 1,526,817,391.37/57,236.18
  6. Step 6: Final answer
    x = 26,675.74

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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.