Home / 54,106.15-81,148.23-45,314.41

Finding the Fourth Proportional to 54,106.15, 81,148.23 and 45,314.41

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Solution

The fourth proportional to 54,106.15, 81,148.23 and 45,314.41 is: 67,962.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,106.15 : 81,148.23 = 45,314.41 : x
  2. Step 2: Convert to fraction form
    54,106.15/81,148.23 = 45,314.41/x
  3. Step 3: Cross multiply
    54,106.15x = 81,148.23 × 45,314.41
  4. Step 4: Simplify right side
    54,106.15x = 3,677,184,164.99
  5. Step 5: Solve for x
    x = 3,677,184,164.99/54,106.15
  6. Step 6: Final answer
    x = 67,962.41

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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.