Home / 45,790.32-68,689.12-14,625.60

Finding the Fourth Proportional to 45,790.32, 68,689.12 and 14,625.60

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Solution

The fourth proportional to 45,790.32, 68,689.12 and 14,625.60 is: 21,939.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,790.32 : 68,689.12 = 14,625.60 : x
  2. Step 2: Convert to fraction form
    45,790.32/68,689.12 = 14,625.60/x
  3. Step 3: Cross multiply
    45,790.32x = 68,689.12 × 14,625.60
  4. Step 4: Simplify right side
    45,790.32x = 1,004,619,593.47
  5. Step 5: Solve for x
    x = 1,004,619,593.47/45,790.32
  6. Step 6: Final answer
    x = 21,939.56

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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.