Home / 54,533.75-81,802.45-15,087.56

Finding the Fourth Proportional to 54,533.75, 81,802.45 and 15,087.56

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Solution

The fourth proportional to 54,533.75, 81,802.45 and 15,087.56 is: 22,631.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,533.75 : 81,802.45 = 15,087.56 : x
  2. Step 2: Convert to fraction form
    54,533.75/81,802.45 = 15,087.56/x
  3. Step 3: Cross multiply
    54,533.75x = 81,802.45 × 15,087.56
  4. Step 4: Simplify right side
    54,533.75x = 1,234,199,372.52
  5. Step 5: Solve for x
    x = 1,234,199,372.52/54,533.75
  6. Step 6: Final answer
    x = 22,631.84

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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.