Home / 107,590.20-161,270.10-48,415.80

Finding the Fourth Proportional to 107,590.20, 161,270.10 and 48,415.80

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Solution

The fourth proportional to 107,590.20, 161,270.10 and 48,415.80 is: 72,571.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,590.20 : 161,270.10 = 48,415.80 : x
  2. Step 2: Convert to fraction form
    107,590.20/161,270.10 = 48,415.80/x
  3. Step 3: Cross multiply
    107,590.20x = 161,270.10 × 48,415.80
  4. Step 4: Simplify right side
    107,590.20x = 7,808,020,907.58
  5. Step 5: Solve for x
    x = 7,808,020,907.58/107,590.20
  6. Step 6: Final answer
    x = 72,571.86

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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.