Home / 49,774.12-68,699.46-31,630.12

Finding the Fourth Proportional to 49,774.12, 68,699.46 and 31,630.12

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Solution

The fourth proportional to 49,774.12, 68,699.46 and 31,630.12 is: 43,656.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,774.12 : 68,699.46 = 31,630.12 : x
  2. Step 2: Convert to fraction form
    49,774.12/68,699.46 = 31,630.12/x
  3. Step 3: Cross multiply
    49,774.12x = 68,699.46 × 31,630.12
  4. Step 4: Simplify right side
    49,774.12x = 2,172,972,163.74
  5. Step 5: Solve for x
    x = 2,172,972,163.74/49,774.12
  6. Step 6: Final answer
    x = 43,656.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.