Home / 56,761.14-85,161.15-21,710.82

Finding the Fourth Proportional to 56,761.14, 85,161.15 and 21,710.82

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Solution

The fourth proportional to 56,761.14, 85,161.15 and 21,710.82 is: 32,573.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,761.14 : 85,161.15 = 21,710.82 : x
  2. Step 2: Convert to fraction form
    56,761.14/85,161.15 = 21,710.82/x
  3. Step 3: Cross multiply
    56,761.14x = 85,161.15 × 21,710.82
  4. Step 4: Simplify right side
    56,761.14x = 1,848,918,398.64
  5. Step 5: Solve for x
    x = 1,848,918,398.64/56,761.14
  6. Step 6: Final answer
    x = 32,573.67

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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.