Home / 54,331.40-81,497.10-46,814.60

Finding the Fourth Proportional to 54,331.40, 81,497.10 and 46,814.60

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Solution

The fourth proportional to 54,331.40, 81,497.10 and 46,814.60 is: 70,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,331.40 : 81,497.10 = 46,814.60 : x
  2. Step 2: Convert to fraction form
    54,331.40/81,497.10 = 46,814.60/x
  3. Step 3: Cross multiply
    54,331.40x = 81,497.10 × 46,814.60
  4. Step 4: Simplify right side
    54,331.40x = 3,815,254,137.66
  5. Step 5: Solve for x
    x = 3,815,254,137.66/54,331.40
  6. Step 6: Final answer
    x = 70,221.90

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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.