Home / 45,982.50-68,973.75-13,150.50

Finding the Fourth Proportional to 45,982.50, 68,973.75 and 13,150.50

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Solution

The fourth proportional to 45,982.50, 68,973.75 and 13,150.50 is: 19,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,982.50 : 68,973.75 = 13,150.50 : x
  2. Step 2: Convert to fraction form
    45,982.50/68,973.75 = 13,150.50/x
  3. Step 3: Cross multiply
    45,982.50x = 68,973.75 × 13,150.50
  4. Step 4: Simplify right side
    45,982.50x = 907,039,299.38
  5. Step 5: Solve for x
    x = 907,039,299.38/45,982.50
  6. Step 6: Final answer
    x = 19,725.75

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1.5x scale

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.