Home / 57,060.95-85,570.16-19,610.42

Finding the Fourth Proportional to 57,060.95, 85,570.16 and 19,610.42

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Solution

The fourth proportional to 57,060.95, 85,570.16 and 19,610.42 is: 29,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,060.95 : 85,570.16 = 19,610.42 : x
  2. Step 2: Convert to fraction form
    57,060.95/85,570.16 = 19,610.42/x
  3. Step 3: Cross multiply
    57,060.95x = 85,570.16 × 19,610.42
  4. Step 4: Simplify right side
    57,060.95x = 1,678,066,251.16
  5. Step 5: Solve for x
    x = 1,678,066,251.16/57,060.95
  6. Step 6: Final answer
    x = 29,408.32

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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.