Home / 54,152.52-81,220.38-19,087.08

Finding the Fourth Proportional to 54,152.52, 81,220.38 and 19,087.08

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Solution

The fourth proportional to 54,152.52, 81,220.38 and 19,087.08 is: 28,627.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,152.52 : 81,220.38 = 19,087.08 : x
  2. Step 2: Convert to fraction form
    54,152.52/81,220.38 = 19,087.08/x
  3. Step 3: Cross multiply
    54,152.52x = 81,220.38 × 19,087.08
  4. Step 4: Simplify right side
    54,152.52x = 1,550,259,890.69
  5. Step 5: Solve for x
    x = 1,550,259,890.69/54,152.52
  6. Step 6: Final answer
    x = 28,627.66

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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.