Home / 98,112.24-135,394.68-53,400.24

Finding the Fourth Proportional to 98,112.24, 135,394.68 and 53,400.24

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Solution

The fourth proportional to 98,112.24, 135,394.68 and 53,400.24 is: 73,692.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,112.24 : 135,394.68 = 53,400.24 : x
  2. Step 2: Convert to fraction form
    98,112.24/135,394.68 = 53,400.24/x
  3. Step 3: Cross multiply
    98,112.24x = 135,394.68 × 53,400.24
  4. Step 4: Simplify right side
    98,112.24x = 7,230,108,406.72
  5. Step 5: Solve for x
    x = 7,230,108,406.72/98,112.24
  6. Step 6: Final answer
    x = 73,692.22

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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.