Home / 61,130.73-91,678.32-23,682.45

Finding the Fourth Proportional to 61,130.73, 91,678.32 and 23,682.45

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Solution

The fourth proportional to 61,130.73, 91,678.32 and 23,682.45 is: 35,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,130.73 : 91,678.32 = 23,682.45 : x
  2. Step 2: Convert to fraction form
    61,130.73/91,678.32 = 23,682.45/x
  3. Step 3: Cross multiply
    61,130.73x = 91,678.32 × 23,682.45
  4. Step 4: Simplify right side
    61,130.73x = 2,171,167,229.48
  5. Step 5: Solve for x
    x = 2,171,167,229.48/61,130.73
  6. Step 6: Final answer
    x = 35,516.79

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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.