Home / 54,187.14-81,263.84-19,118.58

Finding the Fourth Proportional to 54,187.14, 81,263.84 and 19,118.58

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Solution

The fourth proportional to 54,187.14, 81,263.84 and 19,118.58 is: 28,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.14 : 81,263.84 = 19,118.58 : x
  2. Step 2: Convert to fraction form
    54,187.14/81,263.84 = 19,118.58/x
  3. Step 3: Cross multiply
    54,187.14x = 81,263.84 × 19,118.58
  4. Step 4: Simplify right side
    54,187.14x = 1,553,649,226.15
  5. Step 5: Solve for x
    x = 1,553,649,226.15/54,187.14
  6. Step 6: Final answer
    x = 28,671.92

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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.