Home / 54,212.63-81,323.19-14,771.30

Finding the Fourth Proportional to 54,212.63, 81,323.19 and 14,771.30

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Solution

The fourth proportional to 54,212.63, 81,323.19 and 14,771.30 is: 22,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,212.63 : 81,323.19 = 14,771.30 : x
  2. Step 2: Convert to fraction form
    54,212.63/81,323.19 = 14,771.30/x
  3. Step 3: Cross multiply
    54,212.63x = 81,323.19 × 14,771.30
  4. Step 4: Simplify right side
    54,212.63x = 1,201,248,829.83
  5. Step 5: Solve for x
    x = 1,201,248,829.83/54,212.63
  6. Step 6: Final answer
    x = 22,158.10

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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.