Home / 56,961.70-78,607.46-31,467.76

Finding the Fourth Proportional to 56,961.70, 78,607.46 and 31,467.76

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Solution

The fourth proportional to 56,961.70, 78,607.46 and 31,467.76 is: 43,425.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,961.70 : 78,607.46 = 31,467.76 : x
  2. Step 2: Convert to fraction form
    56,961.70/78,607.46 = 31,467.76/x
  3. Step 3: Cross multiply
    56,961.70x = 78,607.46 × 31,467.76
  4. Step 4: Simplify right side
    56,961.70x = 2,473,600,567.64
  5. Step 5: Solve for x
    x = 2,473,600,567.64/56,961.70
  6. Step 6: Final answer
    x = 43,425.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.