Home / 54,569.89-75,315.72-40,303.83

Finding the Fourth Proportional to 54,569.89, 75,315.72 and 40,303.83

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Solution

The fourth proportional to 54,569.89, 75,315.72 and 40,303.83 is: 55,626.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,569.89 : 75,315.72 = 40,303.83 : x
  2. Step 2: Convert to fraction form
    54,569.89/75,315.72 = 40,303.83/x
  3. Step 3: Cross multiply
    54,569.89x = 75,315.72 × 40,303.83
  4. Step 4: Simplify right side
    54,569.89x = 3,035,511,975.21
  5. Step 5: Solve for x
    x = 3,035,511,975.21/54,569.89
  6. Step 6: Final answer
    x = 55,626.13

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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.