Home / 56,909.86-85,158.21-41,146.45

Finding the Fourth Proportional to 56,909.86, 85,158.21 and 41,146.45

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Solution

The fourth proportional to 56,909.86, 85,158.21 and 41,146.45 is: 61,570.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,909.86 : 85,158.21 = 41,146.45 : x
  2. Step 2: Convert to fraction form
    56,909.86/85,158.21 = 41,146.45/x
  3. Step 3: Cross multiply
    56,909.86x = 85,158.21 × 41,146.45
  4. Step 4: Simplify right side
    56,909.86x = 3,503,958,029.85
  5. Step 5: Solve for x
    x = 3,503,958,029.85/56,909.86
  6. Step 6: Final answer
    x = 61,570.32

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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.