Home / 122,514.14-169,068.86-68,803.86

Finding the Fourth Proportional to 122,514.14, 169,068.86 and 68,803.86

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Solution

The fourth proportional to 122,514.14, 169,068.86 and 68,803.86 is: 94,948.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,514.14 : 169,068.86 = 68,803.86 : x
  2. Step 2: Convert to fraction form
    122,514.14/169,068.86 = 68,803.86/x
  3. Step 3: Cross multiply
    122,514.14x = 169,068.86 × 68,803.86
  4. Step 4: Simplify right side
    122,514.14x = 11,632,590,173.80
  5. Step 5: Solve for x
    x = 11,632,590,173.80/122,514.14
  6. Step 6: Final answer
    x = 94,948.96

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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.