Home / 98,235.45-135,616.01-76,383.27

Finding the Fourth Proportional to 98,235.45, 135,616.01 and 76,383.27

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Solution

The fourth proportional to 98,235.45, 135,616.01 and 76,383.27 is: 105,448.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,235.45 : 135,616.01 = 76,383.27 : x
  2. Step 2: Convert to fraction form
    98,235.45/135,616.01 = 76,383.27/x
  3. Step 3: Cross multiply
    98,235.45x = 135,616.01 × 76,383.27
  4. Step 4: Simplify right side
    98,235.45x = 10,358,793,926.24
  5. Step 5: Solve for x
    x = 10,358,793,926.24/98,235.45
  6. Step 6: Final answer
    x = 105,448.63

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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.