Home / 124,725.21-186,971.17-45,818.25

Finding the Fourth Proportional to 124,725.21, 186,971.17 and 45,818.25

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Solution

The fourth proportional to 124,725.21, 186,971.17 and 45,818.25 is: 68,684.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,725.21 : 186,971.17 = 45,818.25 : x
  2. Step 2: Convert to fraction form
    124,725.21/186,971.17 = 45,818.25/x
  3. Step 3: Cross multiply
    124,725.21x = 186,971.17 × 45,818.25
  4. Step 4: Simplify right side
    124,725.21x = 8,566,691,809.85
  5. Step 5: Solve for x
    x = 8,566,691,809.85/124,725.21
  6. Step 6: Final answer
    x = 68,684.53

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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.