Home / 54,567.78-75,295.27-30,700.32

Finding the Fourth Proportional to 54,567.78, 75,295.27 and 30,700.32

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Solution

The fourth proportional to 54,567.78, 75,295.27 and 30,700.32 is: 42,361.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,567.78 : 75,295.27 = 30,700.32 : x
  2. Step 2: Convert to fraction form
    54,567.78/75,295.27 = 30,700.32/x
  3. Step 3: Cross multiply
    54,567.78x = 75,295.27 × 30,700.32
  4. Step 4: Simplify right side
    54,567.78x = 2,311,588,883.49
  5. Step 5: Solve for x
    x = 2,311,588,883.49/54,567.78
  6. Step 6: Final answer
    x = 42,361.79

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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.