Home / 57,195.17-85,806.37-19,755.55

Finding the Fourth Proportional to 57,195.17, 85,806.37 and 19,755.55

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Solution

The fourth proportional to 57,195.17, 85,806.37 and 19,755.55 is: 29,638.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,195.17 : 85,806.37 = 19,755.55 : x
  2. Step 2: Convert to fraction form
    57,195.17/85,806.37 = 19,755.55/x
  3. Step 3: Cross multiply
    57,195.17x = 85,806.37 × 19,755.55
  4. Step 4: Simplify right side
    57,195.17x = 1,695,152,164.81
  5. Step 5: Solve for x
    x = 1,695,152,164.81/57,195.17
  6. Step 6: Final answer
    x = 29,638.03

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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.