Home / 104,712.81-156,975.76-38,106.37

Finding the Fourth Proportional to 104,712.81, 156,975.76 and 38,106.37

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Solution

The fourth proportional to 104,712.81, 156,975.76 and 38,106.37 is: 57,125.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,712.81 : 156,975.76 = 38,106.37 : x
  2. Step 2: Convert to fraction form
    104,712.81/156,975.76 = 38,106.37/x
  3. Step 3: Cross multiply
    104,712.81x = 156,975.76 × 38,106.37
  4. Step 4: Simplify right side
    104,712.81x = 5,981,776,391.59
  5. Step 5: Solve for x
    x = 5,981,776,391.59/104,712.81
  6. Step 6: Final answer
    x = 57,125.55

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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.