Home / 104,839.42-144,674.58-57,091.72

Finding the Fourth Proportional to 104,839.42, 144,674.58 and 57,091.72

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Solution

The fourth proportional to 104,839.42, 144,674.58 and 57,091.72 is: 78,784.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,839.42 : 144,674.58 = 57,091.72 : x
  2. Step 2: Convert to fraction form
    104,839.42/144,674.58 = 57,091.72/x
  3. Step 3: Cross multiply
    104,839.42x = 144,674.58 × 57,091.72
  4. Step 4: Simplify right side
    104,839.42x = 8,259,720,612.48
  5. Step 5: Solve for x
    x = 8,259,720,612.48/104,839.42
  6. Step 6: Final answer
    x = 78,784.49

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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.