Home / 56,456.74-84,611.29-23,137.80

Finding the Fourth Proportional to 56,456.74, 84,611.29 and 23,137.80

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Solution

The fourth proportional to 56,456.74, 84,611.29 and 23,137.80 is: 34,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,456.74 : 84,611.29 = 23,137.80 : x
  2. Step 2: Convert to fraction form
    56,456.74/84,611.29 = 23,137.80/x
  3. Step 3: Cross multiply
    56,456.74x = 84,611.29 × 23,137.80
  4. Step 4: Simplify right side
    56,456.74x = 1,957,719,105.76
  5. Step 5: Solve for x
    x = 1,957,719,105.76/56,456.74
  6. Step 6: Final answer
    x = 34,676.45

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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.