Home / 122,736.60-169,364.22-69,013.08

Finding the Fourth Proportional to 122,736.60, 169,364.22 and 69,013.08

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Solution

The fourth proportional to 122,736.60, 169,364.22 and 69,013.08 is: 95,231.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,736.60 : 169,364.22 = 69,013.08 : x
  2. Step 2: Convert to fraction form
    122,736.60/169,364.22 = 69,013.08/x
  3. Step 3: Cross multiply
    122,736.60x = 169,364.22 × 69,013.08
  4. Step 4: Simplify right side
    122,736.60x = 11,688,346,464.00
  5. Step 5: Solve for x
    x = 11,688,346,464.00/122,736.60
  6. Step 6: Final answer
    x = 95,231.14

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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.