Home / 124,974.36-172,400.04-84,674.34

Finding the Fourth Proportional to 124,974.36, 172,400.04 and 84,674.34

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Solution

The fourth proportional to 124,974.36, 172,400.04 and 84,674.34 is: 116,806.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,974.36 : 172,400.04 = 84,674.34 : x
  2. Step 2: Convert to fraction form
    124,974.36/172,400.04 = 84,674.34/x
  3. Step 3: Cross multiply
    124,974.36x = 172,400.04 × 84,674.34
  4. Step 4: Simplify right side
    124,974.36x = 14,597,859,602.97
  5. Step 5: Solve for x
    x = 14,597,859,602.97/124,974.36
  6. Step 6: Final answer
    x = 116,806.84

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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.