Home / 54,118.08-81,176.96-19,053.76

Finding the Fourth Proportional to 54,118.08, 81,176.96 and 19,053.76

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Solution

The fourth proportional to 54,118.08, 81,176.96 and 19,053.76 is: 28,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,118.08 : 81,176.96 = 19,053.76 : x
  2. Step 2: Convert to fraction form
    54,118.08/81,176.96 = 19,053.76/x
  3. Step 3: Cross multiply
    54,118.08x = 81,176.96 × 19,053.76
  4. Step 4: Simplify right side
    54,118.08x = 1,546,726,313.37
  5. Step 5: Solve for x
    x = 1,546,726,313.37/54,118.08
  6. Step 6: Final answer
    x = 28,580.58

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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.