Home / 54,845.04-75,686.40-29,694.72

Finding the Fourth Proportional to 54,845.04, 75,686.40 and 29,694.72

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Solution

The fourth proportional to 54,845.04, 75,686.40 and 29,694.72 is: 40,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,845.04 : 75,686.40 = 29,694.72 : x
  2. Step 2: Convert to fraction form
    54,845.04/75,686.40 = 29,694.72/x
  3. Step 3: Cross multiply
    54,845.04x = 75,686.40 × 29,694.72
  4. Step 4: Simplify right side
    54,845.04x = 2,247,486,455.81
  5. Step 5: Solve for x
    x = 2,247,486,455.81/54,845.04
  6. Step 6: Final answer
    x = 40,978.85

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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.