Home / 68,431.36-94,383.23-58,887.32

Finding the Fourth Proportional to 68,431.36, 94,383.23 and 58,887.32

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Solution

The fourth proportional to 68,431.36, 94,383.23 and 58,887.32 is: 81,219.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,431.36 : 94,383.23 = 58,887.32 : x
  2. Step 2: Convert to fraction form
    68,431.36/94,383.23 = 58,887.32/x
  3. Step 3: Cross multiply
    68,431.36x = 94,383.23 × 58,887.32
  4. Step 4: Simplify right side
    68,431.36x = 5,557,975,732.84
  5. Step 5: Solve for x
    x = 5,557,975,732.84/68,431.36
  6. Step 6: Final answer
    x = 81,219.72

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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.