Home / 100,840.34-151,285.44-41,692.88

Finding the Fourth Proportional to 100,840.34, 151,285.44 and 41,692.88

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Solution

The fourth proportional to 100,840.34, 151,285.44 and 41,692.88 is: 62,549.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,840.34 : 151,285.44 = 41,692.88 : x
  2. Step 2: Convert to fraction form
    100,840.34/151,285.44 = 41,692.88/x
  3. Step 3: Cross multiply
    100,840.34x = 151,285.44 × 41,692.88
  4. Step 4: Simplify right side
    100,840.34x = 6,307,525,695.67
  5. Step 5: Solve for x
    x = 6,307,525,695.67/100,840.34
  6. Step 6: Final answer
    x = 62,549.63

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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.