Home / 117,247.50-161,801.55-63,532.08

Finding the Fourth Proportional to 117,247.50, 161,801.55 and 63,532.08

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Solution

The fourth proportional to 117,247.50, 161,801.55 and 63,532.08 is: 87,674.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,247.50 : 161,801.55 = 63,532.08 : x
  2. Step 2: Convert to fraction form
    117,247.50/161,801.55 = 63,532.08/x
  3. Step 3: Cross multiply
    117,247.50x = 161,801.55 × 63,532.08
  4. Step 4: Simplify right side
    117,247.50x = 10,279,589,018.72
  5. Step 5: Solve for x
    x = 10,279,589,018.72/117,247.50
  6. Step 6: Final answer
    x = 87,674.27

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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.