Home / 70,005.69-96,610.19-38,176.34

Finding the Fourth Proportional to 70,005.69, 96,610.19 and 38,176.34

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Solution

The fourth proportional to 70,005.69, 96,610.19 and 38,176.34 is: 52,684.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,005.69 : 96,610.19 = 38,176.34 : x
  2. Step 2: Convert to fraction form
    70,005.69/96,610.19 = 38,176.34/x
  3. Step 3: Cross multiply
    70,005.69x = 96,610.19 × 38,176.34
  4. Step 4: Simplify right side
    70,005.69x = 3,688,222,786.97
  5. Step 5: Solve for x
    x = 3,688,222,786.97/70,005.69
  6. Step 6: Final answer
    x = 52,684.61

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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.