Home / 118,692.74-163,795.97-64,977.59

Finding the Fourth Proportional to 118,692.74, 163,795.97 and 64,977.59

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Solution

The fourth proportional to 118,692.74, 163,795.97 and 64,977.59 is: 89,669.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,692.74 : 163,795.97 = 64,977.59 : x
  2. Step 2: Convert to fraction form
    118,692.74/163,795.97 = 64,977.59/x
  3. Step 3: Cross multiply
    118,692.74x = 163,795.97 × 64,977.59
  4. Step 4: Simplify right side
    118,692.74x = 10,643,067,954.25
  5. Step 5: Solve for x
    x = 10,643,067,954.25/118,692.74
  6. Step 6: Final answer
    x = 89,669.07

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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.