Home / 52,189.11-78,260.40-16,643.79

Finding the Fourth Proportional to 52,189.11, 78,260.40 and 16,643.79

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Solution

The fourth proportional to 52,189.11, 78,260.40 and 16,643.79 is: 24,958.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,189.11 : 78,260.40 = 16,643.79 : x
  2. Step 2: Convert to fraction form
    52,189.11/78,260.40 = 16,643.79/x
  3. Step 3: Cross multiply
    52,189.11x = 78,260.40 × 16,643.79
  4. Step 4: Simplify right side
    52,189.11x = 1,302,549,662.92
  5. Step 5: Solve for x
    x = 1,302,549,662.92/52,189.11
  6. Step 6: Final answer
    x = 24,958.27

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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.