Home / 124,422.90-186,634.21-30,928.65

Finding the Fourth Proportional to 124,422.90, 186,634.21 and 30,928.65

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Solution

The fourth proportional to 124,422.90, 186,634.21 and 30,928.65 is: 46,392.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,422.90 : 186,634.21 = 30,928.65 : x
  2. Step 2: Convert to fraction form
    124,422.90/186,634.21 = 30,928.65/x
  3. Step 3: Cross multiply
    124,422.90x = 186,634.21 × 30,928.65
  4. Step 4: Simplify right side
    124,422.90x = 5,772,344,159.12
  5. Step 5: Solve for x
    x = 5,772,344,159.12/124,422.90
  6. Step 6: Final answer
    x = 46,392.94

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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.