Home / 57,060.75-85,570.13-19,610.19

Finding the Fourth Proportional to 57,060.75, 85,570.13 and 19,610.19

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Solution

The fourth proportional to 57,060.75, 85,570.13 and 19,610.19 is: 29,408.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,060.75 : 85,570.13 = 19,610.19 : x
  2. Step 2: Convert to fraction form
    57,060.75/85,570.13 = 19,610.19/x
  3. Step 3: Cross multiply
    57,060.75x = 85,570.13 × 19,610.19
  4. Step 4: Simplify right side
    57,060.75x = 1,678,046,507.62
  5. Step 5: Solve for x
    x = 1,678,046,507.62/57,060.75
  6. Step 6: Final answer
    x = 29,408.07

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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.