Home / 61,677.78-85,113.62-34,453.14

Finding the Fourth Proportional to 61,677.78, 85,113.62 and 34,453.14

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Solution

The fourth proportional to 61,677.78, 85,113.62 and 34,453.14 is: 47,544.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,677.78 : 85,113.62 = 34,453.14 : x
  2. Step 2: Convert to fraction form
    61,677.78/85,113.62 = 34,453.14/x
  3. Step 3: Cross multiply
    61,677.78x = 85,113.62 × 34,453.14
  4. Step 4: Simplify right side
    61,677.78x = 2,932,431,465.77
  5. Step 5: Solve for x
    x = 2,932,431,465.77/61,677.78
  6. Step 6: Final answer
    x = 47,544.37

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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.