Home / 56,961.48-78,607.14-31,467.54

Finding the Fourth Proportional to 56,961.48, 78,607.14 and 31,467.54

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Solution

The fourth proportional to 56,961.48, 78,607.14 and 31,467.54 is: 43,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,961.48 : 78,607.14 = 31,467.54 : x
  2. Step 2: Convert to fraction form
    56,961.48/78,607.14 = 31,467.54/x
  3. Step 3: Cross multiply
    56,961.48x = 78,607.14 × 31,467.54
  4. Step 4: Simplify right side
    56,961.48x = 2,473,573,322.24
  5. Step 5: Solve for x
    x = 2,473,573,322.24/56,961.48
  6. Step 6: Final answer
    x = 43,425.37

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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.