Home / 84,548.89-116,621.33-54,372.39

Finding the Fourth Proportional to 84,548.89, 116,621.33 and 54,372.39

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Solution

The fourth proportional to 84,548.89, 116,621.33 and 54,372.39 is: 74,997.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,548.89 : 116,621.33 = 54,372.39 : x
  2. Step 2: Convert to fraction form
    84,548.89/116,621.33 = 54,372.39/x
  3. Step 3: Cross multiply
    84,548.89x = 116,621.33 × 54,372.39
  4. Step 4: Simplify right side
    84,548.89x = 6,340,979,880.81
  5. Step 5: Solve for x
    x = 6,340,979,880.81/84,548.89
  6. Step 6: Final answer
    x = 74,997.79

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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.