Home / 124,523.09-186,673.68-45,618.86

Finding the Fourth Proportional to 124,523.09, 186,673.68 and 45,618.86

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Solution

The fourth proportional to 124,523.09, 186,673.68 and 45,618.86 is: 68,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,523.09 : 186,673.68 = 45,618.86 : x
  2. Step 2: Convert to fraction form
    124,523.09/186,673.68 = 45,618.86/x
  3. Step 3: Cross multiply
    124,523.09x = 186,673.68 × 45,618.86
  4. Step 4: Simplify right side
    124,523.09x = 8,515,840,473.60
  5. Step 5: Solve for x
    x = 8,515,840,473.60/124,523.09
  6. Step 6: Final answer
    x = 68,387.64

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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.