Home / 54,742.73-82,088.57-28,440.41

Finding the Fourth Proportional to 54,742.73, 82,088.57 and 28,440.41

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Solution

The fourth proportional to 54,742.73, 82,088.57 and 28,440.41 is: 42,647.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,742.73 : 82,088.57 = 28,440.41 : x
  2. Step 2: Convert to fraction form
    54,742.73/82,088.57 = 28,440.41/x
  3. Step 3: Cross multiply
    54,742.73x = 82,088.57 × 28,440.41
  4. Step 4: Simplify right side
    54,742.73x = 2,334,632,034.47
  5. Step 5: Solve for x
    x = 2,334,632,034.47/54,742.73
  6. Step 6: Final answer
    x = 42,647.35

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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.