Home / 99,739.24-149,466.30-73,236.04

Finding the Fourth Proportional to 99,739.24, 149,466.30 and 73,236.04

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Solution

The fourth proportional to 99,739.24, 149,466.30 and 73,236.04 is: 109,749.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,739.24 : 149,466.30 = 73,236.04 : x
  2. Step 2: Convert to fraction form
    99,739.24/149,466.30 = 73,236.04/x
  3. Step 3: Cross multiply
    99,739.24x = 149,466.30 × 73,236.04
  4. Step 4: Simplify right side
    99,739.24x = 10,946,319,925.45
  5. Step 5: Solve for x
    x = 10,946,319,925.45/99,739.24
  6. Step 6: Final answer
    x = 109,749.38

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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.