Home / 54,077.04-81,115.44-14,635.20

Finding the Fourth Proportional to 54,077.04, 81,115.44 and 14,635.20

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Solution

The fourth proportional to 54,077.04, 81,115.44 and 14,635.20 is: 21,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,077.04 : 81,115.44 = 14,635.20 : x
  2. Step 2: Convert to fraction form
    54,077.04/81,115.44 = 14,635.20/x
  3. Step 3: Cross multiply
    54,077.04x = 81,115.44 × 14,635.20
  4. Step 4: Simplify right side
    54,077.04x = 1,187,140,687.49
  5. Step 5: Solve for x
    x = 1,187,140,687.49/54,077.04
  6. Step 6: Final answer
    x = 21,952.77

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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.