Home / 54,207.81-81,319.46-16,771.08

Finding the Fourth Proportional to 54,207.81, 81,319.46 and 16,771.08

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Solution

The fourth proportional to 54,207.81, 81,319.46 and 16,771.08 is: 25,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,207.81 : 81,319.46 = 16,771.08 : x
  2. Step 2: Convert to fraction form
    54,207.81/81,319.46 = 16,771.08/x
  3. Step 3: Cross multiply
    54,207.81x = 81,319.46 × 16,771.08
  4. Step 4: Simplify right side
    54,207.81x = 1,363,814,678.76
  5. Step 5: Solve for x
    x = 1,363,814,678.76/54,207.81
  6. Step 6: Final answer
    x = 25,159.01

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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.