Home / 122,785.86-169,416.44-69,051.27

Finding the Fourth Proportional to 122,785.86, 169,416.44 and 69,051.27

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Solution

The fourth proportional to 122,785.86, 169,416.44 and 69,051.27 is: 95,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,785.86 : 169,416.44 = 69,051.27 : x
  2. Step 2: Convert to fraction form
    122,785.86/169,416.44 = 69,051.27/x
  3. Step 3: Cross multiply
    122,785.86x = 169,416.44 × 69,051.27
  4. Step 4: Simplify right side
    122,785.86x = 11,698,419,742.70
  5. Step 5: Solve for x
    x = 11,698,419,742.70/122,785.86
  6. Step 6: Final answer
    x = 95,274.98

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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.