Home / 54,629.46-75,390.08-30,757.01

Finding the Fourth Proportional to 54,629.46, 75,390.08 and 30,757.01

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Solution

The fourth proportional to 54,629.46, 75,390.08 and 30,757.01 is: 42,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,629.46 : 75,390.08 = 30,757.01 : x
  2. Step 2: Convert to fraction form
    54,629.46/75,390.08 = 30,757.01/x
  3. Step 3: Cross multiply
    54,629.46x = 75,390.08 × 30,757.01
  4. Step 4: Simplify right side
    54,629.46x = 2,318,772,913.73
  5. Step 5: Solve for x
    x = 2,318,772,913.73/54,629.46
  6. Step 6: Final answer
    x = 42,445.47

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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.