Home / 54,931.98-82,381.77-28,623.18

Finding the Fourth Proportional to 54,931.98, 82,381.77 and 28,623.18

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Solution

The fourth proportional to 54,931.98, 82,381.77 and 28,623.18 is: 42,926.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,931.98 : 82,381.77 = 28,623.18 : x
  2. Step 2: Convert to fraction form
    54,931.98/82,381.77 = 28,623.18/x
  3. Step 3: Cross multiply
    54,931.98x = 82,381.77 × 28,623.18
  4. Step 4: Simplify right side
    54,931.98x = 2,358,028,231.43
  5. Step 5: Solve for x
    x = 2,358,028,231.43/54,931.98
  6. Step 6: Final answer
    x = 42,926.33

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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.