Home / 45,400.40-68,078.96-15,814.60

Finding the Fourth Proportional to 45,400.40, 68,078.96 and 15,814.60

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Solution

The fourth proportional to 45,400.40, 68,078.96 and 15,814.60 is: 23,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,400.40 : 68,078.96 = 15,814.60 : x
  2. Step 2: Convert to fraction form
    45,400.40/68,078.96 = 15,814.60/x
  3. Step 3: Cross multiply
    45,400.40x = 68,078.96 × 15,814.60
  4. Step 4: Simplify right side
    45,400.40x = 1,076,641,520.82
  5. Step 5: Solve for x
    x = 1,076,641,520.82/45,400.40
  6. Step 6: Final answer
    x = 23,714.36

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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.