Home / 54,087.48-74,634.12-30,213.36

Finding the Fourth Proportional to 54,087.48, 74,634.12 and 30,213.36

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Solution

The fourth proportional to 54,087.48, 74,634.12 and 30,213.36 is: 41,690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,087.48 : 74,634.12 = 30,213.36 : x
  2. Step 2: Convert to fraction form
    54,087.48/74,634.12 = 30,213.36/x
  3. Step 3: Cross multiply
    54,087.48x = 74,634.12 × 30,213.36
  4. Step 4: Simplify right side
    54,087.48x = 2,254,947,535.84
  5. Step 5: Solve for x
    x = 2,254,947,535.84/54,087.48
  6. Step 6: Final answer
    x = 41,690.75

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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.