Home / 98,454.36-135,826.57-73,023.30

Finding the Fourth Proportional to 98,454.36, 135,826.57 and 73,023.30

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Solution

The fourth proportional to 98,454.36, 135,826.57 and 73,023.30 is: 100,742.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,454.36 : 135,826.57 = 73,023.30 : x
  2. Step 2: Convert to fraction form
    98,454.36/135,826.57 = 73,023.30/x
  3. Step 3: Cross multiply
    98,454.36x = 135,826.57 × 73,023.30
  4. Step 4: Simplify right side
    98,454.36x = 9,918,504,460.36
  5. Step 5: Solve for x
    x = 9,918,504,460.36/98,454.36
  6. Step 6: Final answer
    x = 100,742.15

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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.