Home / 54,080.04-81,119.94-14,638.20

Finding the Fourth Proportional to 54,080.04, 81,119.94 and 14,638.20

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Solution

The fourth proportional to 54,080.04, 81,119.94 and 14,638.20 is: 21,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,080.04 : 81,119.94 = 14,638.20 : x
  2. Step 2: Convert to fraction form
    54,080.04/81,119.94 = 14,638.20/x
  3. Step 3: Cross multiply
    54,080.04x = 81,119.94 × 14,638.20
  4. Step 4: Simplify right side
    54,080.04x = 1,187,449,905.71
  5. Step 5: Solve for x
    x = 1,187,449,905.71/54,080.04
  6. Step 6: Final answer
    x = 21,957.27

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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.