Home / 45,447.51-68,078.93-33,636.50

Finding the Fourth Proportional to 45,447.51, 68,078.93 and 33,636.50

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Solution

The fourth proportional to 45,447.51, 68,078.93 and 33,636.50 is: 50,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,447.51 : 68,078.93 = 33,636.50 : x
  2. Step 2: Convert to fraction form
    45,447.51/68,078.93 = 33,636.50/x
  3. Step 3: Cross multiply
    45,447.51x = 68,078.93 × 33,636.50
  4. Step 4: Simplify right side
    45,447.51x = 2,289,936,420.37
  5. Step 5: Solve for x
    x = 2,289,936,420.37/45,447.51
  6. Step 6: Final answer
    x = 50,386.40

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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.