Home / 117,632.97-162,315.23-69,885.09

Finding the Fourth Proportional to 117,632.97, 162,315.23 and 69,885.09

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Solution

The fourth proportional to 117,632.97, 162,315.23 and 69,885.09 is: 96,430.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,632.97 : 162,315.23 = 69,885.09 : x
  2. Step 2: Convert to fraction form
    117,632.97/162,315.23 = 69,885.09/x
  3. Step 3: Cross multiply
    117,632.97x = 162,315.23 × 69,885.09
  4. Step 4: Simplify right side
    117,632.97x = 11,343,414,107.50
  5. Step 5: Solve for x
    x = 11,343,414,107.50/117,632.97
  6. Step 6: Final answer
    x = 96,430.57

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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.