Home / 118,669.96-163,764.79-64,958.41

Finding the Fourth Proportional to 118,669.96, 163,764.79 and 64,958.41

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Solution

The fourth proportional to 118,669.96, 163,764.79 and 64,958.41 is: 89,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,669.96 : 163,764.79 = 64,958.41 : x
  2. Step 2: Convert to fraction form
    118,669.96/163,764.79 = 64,958.41/x
  3. Step 3: Cross multiply
    118,669.96x = 163,764.79 × 64,958.41
  4. Step 4: Simplify right side
    118,669.96x = 10,637,899,493.52
  5. Step 5: Solve for x
    x = 10,637,899,493.52/118,669.96
  6. Step 6: Final answer
    x = 89,642.73

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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.