Home / 54,351.61-74,970.70-39,266.44

Finding the Fourth Proportional to 54,351.61, 74,970.70 and 39,266.44

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Solution

The fourth proportional to 54,351.61, 74,970.70 and 39,266.44 is: 54,162.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,351.61 : 74,970.70 = 39,266.44 : x
  2. Step 2: Convert to fraction form
    54,351.61/74,970.70 = 39,266.44/x
  3. Step 3: Cross multiply
    54,351.61x = 74,970.70 × 39,266.44
  4. Step 4: Simplify right side
    54,351.61x = 2,943,832,493.31
  5. Step 5: Solve for x
    x = 2,943,832,493.31/54,351.61
  6. Step 6: Final answer
    x = 54,162.75

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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.