Home / 45,540.48-68,320.44-15,960.12

Finding the Fourth Proportional to 45,540.48, 68,320.44 and 15,960.12

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Solution

The fourth proportional to 45,540.48, 68,320.44 and 15,960.12 is: 23,943.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,540.48 : 68,320.44 = 15,960.12 : x
  2. Step 2: Convert to fraction form
    45,540.48/68,320.44 = 15,960.12/x
  3. Step 3: Cross multiply
    45,540.48x = 68,320.44 × 15,960.12
  4. Step 4: Simplify right side
    45,540.48x = 1,090,402,420.85
  5. Step 5: Solve for x
    x = 1,090,402,420.85/45,540.48
  6. Step 6: Final answer
    x = 23,943.59

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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.