Home / 45,784.45-68,678.51-14,197.79

Finding the Fourth Proportional to 45,784.45, 68,678.51 and 14,197.79

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Solution

The fourth proportional to 45,784.45, 68,678.51 and 14,197.79 is: 21,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,784.45 : 68,678.51 = 14,197.79 : x
  2. Step 2: Convert to fraction form
    45,784.45/68,678.51 = 14,197.79/x
  3. Step 3: Cross multiply
    45,784.45x = 68,678.51 × 14,197.79
  4. Step 4: Simplify right side
    45,784.45x = 975,083,163.20
  5. Step 5: Solve for x
    x = 975,083,163.20/45,784.45
  6. Step 6: Final answer
    x = 21,297.26

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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.