Home / 69,615.73-96,069.79-37,784.63

Finding the Fourth Proportional to 69,615.73, 96,069.79 and 37,784.63

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Solution

The fourth proportional to 69,615.73, 96,069.79 and 37,784.63 is: 52,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,615.73 : 96,069.79 = 37,784.63 : x
  2. Step 2: Convert to fraction form
    69,615.73/96,069.79 = 37,784.63/x
  3. Step 3: Cross multiply
    69,615.73x = 96,069.79 × 37,784.63
  4. Step 4: Simplify right side
    69,615.73x = 3,629,961,650.46
  5. Step 5: Solve for x
    x = 3,629,961,650.46/69,615.73
  6. Step 6: Final answer
    x = 52,142.84

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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.