Home / 54,317.45-74,817.87-38,374.22

Finding the Fourth Proportional to 54,317.45, 74,817.87 and 38,374.22

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Solution

The fourth proportional to 54,317.45, 74,817.87 and 38,374.22 is: 52,857.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,317.45 : 74,817.87 = 38,374.22 : x
  2. Step 2: Convert to fraction form
    54,317.45/74,817.87 = 38,374.22/x
  3. Step 3: Cross multiply
    54,317.45x = 74,817.87 × 38,374.22
  4. Step 4: Simplify right side
    54,317.45x = 2,871,077,403.31
  5. Step 5: Solve for x
    x = 2,871,077,403.31/54,317.45
  6. Step 6: Final answer
    x = 52,857.37

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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.