Home / 53,639.58-74,023.29-29,768.61

Finding the Fourth Proportional to 53,639.58, 74,023.29 and 29,768.61

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Solution

The fourth proportional to 53,639.58, 74,023.29 and 29,768.61 is: 41,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,639.58 : 74,023.29 = 29,768.61 : x
  2. Step 2: Convert to fraction form
    53,639.58/74,023.29 = 29,768.61/x
  3. Step 3: Cross multiply
    53,639.58x = 74,023.29 × 29,768.61
  4. Step 4: Simplify right side
    53,639.58x = 2,203,570,450.93
  5. Step 5: Solve for x
    x = 2,203,570,450.93/53,639.58
  6. Step 6: Final answer
    x = 41,081.05

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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.