Home / 98,632.18-136,104.30-55,609.34

Finding the Fourth Proportional to 98,632.18, 136,104.30 and 55,609.34

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Solution

The fourth proportional to 98,632.18, 136,104.30 and 55,609.34 is: 76,736.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,632.18 : 136,104.30 = 55,609.34 : x
  2. Step 2: Convert to fraction form
    98,632.18/136,104.30 = 55,609.34/x
  3. Step 3: Cross multiply
    98,632.18x = 136,104.30 × 55,609.34
  4. Step 4: Simplify right side
    98,632.18x = 7,568,669,613.64
  5. Step 5: Solve for x
    x = 7,568,669,613.64/98,632.18
  6. Step 6: Final answer
    x = 76,736.31

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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.