Home / 129,123.49-193,696.40-35,629.24

Finding the Fourth Proportional to 129,123.49, 193,696.40 and 35,629.24

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Solution

The fourth proportional to 129,123.49, 193,696.40 and 35,629.24 is: 53,446.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,123.49 : 193,696.40 = 35,629.24 : x
  2. Step 2: Convert to fraction form
    129,123.49/193,696.40 = 35,629.24/x
  3. Step 3: Cross multiply
    129,123.49x = 193,696.40 × 35,629.24
  4. Step 4: Simplify right side
    129,123.49x = 6,901,255,344.59
  5. Step 5: Solve for x
    x = 6,901,255,344.59/129,123.49
  6. Step 6: Final answer
    x = 53,446.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.