Home / 122,427.37-168,966.26-68,715.33

Finding the Fourth Proportional to 122,427.37, 168,966.26 and 68,715.33

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Solution

The fourth proportional to 122,427.37, 168,966.26 and 68,715.33 is: 94,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,427.37 : 168,966.26 = 68,715.33 : x
  2. Step 2: Convert to fraction form
    122,427.37/168,966.26 = 68,715.33/x
  3. Step 3: Cross multiply
    122,427.37x = 168,966.26 × 68,715.33
  4. Step 4: Simplify right side
    122,427.37x = 11,610,572,314.77
  5. Step 5: Solve for x
    x = 11,610,572,314.77/122,427.37
  6. Step 6: Final answer
    x = 94,836.41

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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.