Home / 124,433.66-186,651.20-30,939.42

Finding the Fourth Proportional to 124,433.66, 186,651.20 and 30,939.42

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Solution

The fourth proportional to 124,433.66, 186,651.20 and 30,939.42 is: 46,409.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,433.66 : 186,651.20 = 30,939.42 : x
  2. Step 2: Convert to fraction form
    124,433.66/186,651.20 = 30,939.42/x
  3. Step 3: Cross multiply
    124,433.66x = 186,651.20 × 30,939.42
  4. Step 4: Simplify right side
    124,433.66x = 5,774,879,870.30
  5. Step 5: Solve for x
    x = 5,774,879,870.30/124,433.66
  6. Step 6: Final answer
    x = 46,409.31

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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.