Home / 112,407.71-168,694.59-53,243.37

Finding the Fourth Proportional to 112,407.71, 168,694.59 and 53,243.37

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Solution

The fourth proportional to 112,407.71, 168,694.59 and 53,243.37 is: 79,904.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,407.71 : 168,694.59 = 53,243.37 : x
  2. Step 2: Convert to fraction form
    112,407.71/168,694.59 = 53,243.37/x
  3. Step 3: Cross multiply
    112,407.71x = 168,694.59 × 53,243.37
  4. Step 4: Simplify right side
    112,407.71x = 8,981,868,672.03
  5. Step 5: Solve for x
    x = 8,981,868,672.03/112,407.71
  6. Step 6: Final answer
    x = 79,904.39

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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.