Home / 56,872.70-85,239.86-40,237.52

Finding the Fourth Proportional to 56,872.70, 85,239.86 and 40,237.52

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Solution

The fourth proportional to 56,872.70, 85,239.86 and 40,237.52 is: 60,307.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,872.70 : 85,239.86 = 40,237.52 : x
  2. Step 2: Convert to fraction form
    56,872.70/85,239.86 = 40,237.52/x
  3. Step 3: Cross multiply
    56,872.70x = 85,239.86 × 40,237.52
  4. Step 4: Simplify right side
    56,872.70x = 3,429,840,571.55
  5. Step 5: Solve for x
    x = 3,429,840,571.55/56,872.70
  6. Step 6: Final answer
    x = 60,307.33

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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.