Home / 84,410.37-116,431.29-54,147.75

Finding the Fourth Proportional to 84,410.37, 116,431.29 and 54,147.75

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Solution

The fourth proportional to 84,410.37, 116,431.29 and 54,147.75 is: 74,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,410.37 : 116,431.29 = 54,147.75 : x
  2. Step 2: Convert to fraction form
    84,410.37/116,431.29 = 54,147.75/x
  3. Step 3: Cross multiply
    84,410.37x = 116,431.29 × 54,147.75
  4. Step 4: Simplify right side
    84,410.37x = 6,304,492,383.10
  5. Step 5: Solve for x
    x = 6,304,492,383.10/84,410.37
  6. Step 6: Final answer
    x = 74,688.60

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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.