Home / 54,587.22-81,871.68-15,148.32

Finding the Fourth Proportional to 54,587.22, 81,871.68 and 15,148.32

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Solution

The fourth proportional to 54,587.22, 81,871.68 and 15,148.32 is: 22,719.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,587.22 : 81,871.68 = 15,148.32 : x
  2. Step 2: Convert to fraction form
    54,587.22/81,871.68 = 15,148.32/x
  3. Step 3: Cross multiply
    54,587.22x = 81,871.68 × 15,148.32
  4. Step 4: Simplify right side
    54,587.22x = 1,240,218,407.58
  5. Step 5: Solve for x
    x = 1,240,218,407.58/54,587.22
  6. Step 6: Final answer
    x = 22,719.94

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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.