Home / 52,260.22-78,390.33-17,209.90

Finding the Fourth Proportional to 52,260.22, 78,390.33 and 17,209.90

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Solution

The fourth proportional to 52,260.22, 78,390.33 and 17,209.90 is: 25,814.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,260.22 : 78,390.33 = 17,209.90 : x
  2. Step 2: Convert to fraction form
    52,260.22/78,390.33 = 17,209.90/x
  3. Step 3: Cross multiply
    52,260.22x = 78,390.33 × 17,209.90
  4. Step 4: Simplify right side
    52,260.22x = 1,349,089,740.27
  5. Step 5: Solve for x
    x = 1,349,089,740.27/52,260.22
  6. Step 6: Final answer
    x = 25,814.85

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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.