Home / 56,962.86-85,435.10-19,521.42

Finding the Fourth Proportional to 56,962.86, 85,435.10 and 19,521.42

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Solution

The fourth proportional to 56,962.86, 85,435.10 and 19,521.42 is: 29,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,962.86 : 85,435.10 = 19,521.42 : x
  2. Step 2: Convert to fraction form
    56,962.86/85,435.10 = 19,521.42/x
  3. Step 3: Cross multiply
    56,962.86x = 85,435.10 × 19,521.42
  4. Step 4: Simplify right side
    56,962.86x = 1,667,814,469.84
  5. Step 5: Solve for x
    x = 1,667,814,469.84/56,962.86
  6. Step 6: Final answer
    x = 29,278.98

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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.