Home / 45,706.87-68,449.65-31,627.45

Finding the Fourth Proportional to 45,706.87, 68,449.65 and 31,627.45

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Solution

The fourth proportional to 45,706.87, 68,449.65 and 31,627.45 is: 47,364.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,706.87 : 68,449.65 = 31,627.45 : x
  2. Step 2: Convert to fraction form
    45,706.87/68,449.65 = 31,627.45/x
  3. Step 3: Cross multiply
    45,706.87x = 68,449.65 × 31,627.45
  4. Step 4: Simplify right side
    45,706.87x = 2,164,887,882.89
  5. Step 5: Solve for x
    x = 2,164,887,882.89/45,706.87
  6. Step 6: Final answer
    x = 47,364.61

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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.