Home / 56,872.20-85,325.61-26,909.45

Finding the Fourth Proportional to 56,872.20, 85,325.61 and 26,909.45

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Solution

The fourth proportional to 56,872.20, 85,325.61 and 26,909.45 is: 40,372.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,872.20 : 85,325.61 = 26,909.45 : x
  2. Step 2: Convert to fraction form
    56,872.20/85,325.61 = 26,909.45/x
  3. Step 3: Cross multiply
    56,872.20x = 85,325.61 × 26,909.45
  4. Step 4: Simplify right side
    56,872.20x = 2,296,064,809.39
  5. Step 5: Solve for x
    x = 2,296,064,809.39/56,872.20
  6. Step 6: Final answer
    x = 40,372.36

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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.