Home / 118,692.66-163,795.59-64,977.66

Finding the Fourth Proportional to 118,692.66, 163,795.59 and 64,977.66

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Solution

The fourth proportional to 118,692.66, 163,795.59 and 64,977.66 is: 89,669.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,692.66 : 163,795.59 = 64,977.66 : x
  2. Step 2: Convert to fraction form
    118,692.66/163,795.59 = 64,977.66/x
  3. Step 3: Cross multiply
    118,692.66x = 163,795.59 × 64,977.66
  4. Step 4: Simplify right side
    118,692.66x = 10,643,054,156.52
  5. Step 5: Solve for x
    x = 10,643,054,156.52/118,692.66
  6. Step 6: Final answer
    x = 89,669.02

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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.