Home / 125,973.10-188,986.30-41,728.50

Finding the Fourth Proportional to 125,973.10, 188,986.30 and 41,728.50

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Solution

The fourth proportional to 125,973.10, 188,986.30 and 41,728.50 is: 62,601.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,973.10 : 188,986.30 = 41,728.50 : x
  2. Step 2: Convert to fraction form
    125,973.10/188,986.30 = 41,728.50/x
  3. Step 3: Cross multiply
    125,973.10x = 188,986.30 × 41,728.50
  4. Step 4: Simplify right side
    125,973.10x = 7,886,114,819.55
  5. Step 5: Solve for x
    x = 7,886,114,819.55/125,973.10
  6. Step 6: Final answer
    x = 62,601.58

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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.