Home / 54,333.72-74,983.68-30,468.06

Finding the Fourth Proportional to 54,333.72, 74,983.68 and 30,468.06

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Solution

The fourth proportional to 54,333.72, 74,983.68 and 30,468.06 is: 42,047.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,333.72 : 74,983.68 = 30,468.06 : x
  2. Step 2: Convert to fraction form
    54,333.72/74,983.68 = 30,468.06/x
  3. Step 3: Cross multiply
    54,333.72x = 74,983.68 × 30,468.06
  4. Step 4: Simplify right side
    54,333.72x = 2,284,607,261.26
  5. Step 5: Solve for x
    x = 2,284,607,261.26/54,333.72
  6. Step 6: Final answer
    x = 42,047.69

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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.