Home / 99,683.64-149,488.20-40,499.37

Finding the Fourth Proportional to 99,683.64, 149,488.20 and 40,499.37

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Solution

The fourth proportional to 99,683.64, 149,488.20 and 40,499.37 is: 60,733.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,683.64 : 149,488.20 = 40,499.37 : x
  2. Step 2: Convert to fraction form
    99,683.64/149,488.20 = 40,499.37/x
  3. Step 3: Cross multiply
    99,683.64x = 149,488.20 × 40,499.37
  4. Step 4: Simplify right side
    99,683.64x = 6,054,177,922.43
  5. Step 5: Solve for x
    x = 6,054,177,922.43/99,683.64
  6. Step 6: Final answer
    x = 60,733.92

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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.