Home / 113,664.30-170,478.08-53,692.64

Finding the Fourth Proportional to 113,664.30, 170,478.08 and 53,692.64

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Solution

The fourth proportional to 113,664.30, 170,478.08 and 53,692.64 is: 80,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,664.30 : 170,478.08 = 53,692.64 : x
  2. Step 2: Convert to fraction form
    113,664.30/170,478.08 = 53,692.64/x
  3. Step 3: Cross multiply
    113,664.30x = 170,478.08 × 53,692.64
  4. Step 4: Simplify right side
    113,664.30x = 9,153,418,177.33
  5. Step 5: Solve for x
    x = 9,153,418,177.33/113,664.30
  6. Step 6: Final answer
    x = 80,530.28

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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.