Home / 84,845.10-116,983.44-73,339.32

Finding the Fourth Proportional to 84,845.10, 116,983.44 and 73,339.32

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Solution

The fourth proportional to 84,845.10, 116,983.44 and 73,339.32 is: 101,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,845.10 : 116,983.44 = 73,339.32 : x
  2. Step 2: Convert to fraction form
    84,845.10/116,983.44 = 73,339.32/x
  3. Step 3: Cross multiply
    84,845.10x = 116,983.44 × 73,339.32
  4. Step 4: Simplify right side
    84,845.10x = 8,579,485,940.86
  5. Step 5: Solve for x
    x = 8,579,485,940.86/84,845.10
  6. Step 6: Final answer
    x = 101,119.40

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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.