Home / 54,077.12-81,115.86-16,636.94

Finding the Fourth Proportional to 54,077.12, 81,115.86 and 16,636.94

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Solution

The fourth proportional to 54,077.12, 81,115.86 and 16,636.94 is: 24,955.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,077.12 : 81,115.86 = 16,636.94 : x
  2. Step 2: Convert to fraction form
    54,077.12/81,115.86 = 16,636.94/x
  3. Step 3: Cross multiply
    54,077.12x = 81,115.86 × 16,636.94
  4. Step 4: Simplify right side
    54,077.12x = 1,349,519,207.10
  5. Step 5: Solve for x
    x = 1,349,519,207.10/54,077.12
  6. Step 6: Final answer
    x = 24,955.46

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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.