Home / 54,313.88-74,952.97-31,666.28

Finding the Fourth Proportional to 54,313.88, 74,952.97 and 31,666.28

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Solution

The fourth proportional to 54,313.88, 74,952.97 and 31,666.28 is: 43,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,313.88 : 74,952.97 = 31,666.28 : x
  2. Step 2: Convert to fraction form
    54,313.88/74,952.97 = 31,666.28/x
  3. Step 3: Cross multiply
    54,313.88x = 74,952.97 × 31,666.28
  4. Step 4: Simplify right side
    54,313.88x = 2,373,481,734.85
  5. Step 5: Solve for x
    x = 2,373,481,734.85/54,313.88
  6. Step 6: Final answer
    x = 43,699.36

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1.5x scale

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.