Home / 54,347.61-74,965.17-39,262.44

Finding the Fourth Proportional to 54,347.61, 74,965.17 and 39,262.44

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Solution

The fourth proportional to 54,347.61, 74,965.17 and 39,262.44 is: 54,157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,347.61 : 74,965.17 = 39,262.44 : x
  2. Step 2: Convert to fraction form
    54,347.61/74,965.17 = 39,262.44/x
  3. Step 3: Cross multiply
    54,347.61x = 74,965.17 × 39,262.44
  4. Step 4: Simplify right side
    54,347.61x = 2,943,315,489.21
  5. Step 5: Solve for x
    x = 2,943,315,489.21/54,347.61
  6. Step 6: Final answer
    x = 54,157.22

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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.