Home / 72,973.44-100,786.41-49,058.60

Finding the Fourth Proportional to 72,973.44, 100,786.41 and 49,058.60

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Solution

The fourth proportional to 72,973.44, 100,786.41 and 49,058.60 is: 67,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,973.44 : 100,786.41 = 49,058.60 : x
  2. Step 2: Convert to fraction form
    72,973.44/100,786.41 = 49,058.60/x
  3. Step 3: Cross multiply
    72,973.44x = 100,786.41 × 49,058.60
  4. Step 4: Simplify right side
    72,973.44x = 4,944,439,669.69
  5. Step 5: Solve for x
    x = 4,944,439,669.69/72,973.44
  6. Step 6: Final answer
    x = 67,756.70

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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.