Home / 107,310.45-160,968.74-28,424.69

Finding the Fourth Proportional to 107,310.45, 160,968.74 and 28,424.69

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Solution

The fourth proportional to 107,310.45, 160,968.74 and 28,424.69 is: 42,637.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,310.45 : 160,968.74 = 28,424.69 : x
  2. Step 2: Convert to fraction form
    107,310.45/160,968.74 = 28,424.69/x
  3. Step 3: Cross multiply
    107,310.45x = 160,968.74 × 28,424.69
  4. Step 4: Simplify right side
    107,310.45x = 4,575,486,190.86
  5. Step 5: Solve for x
    x = 4,575,486,190.86/107,310.45
  6. Step 6: Final answer
    x = 42,637.84

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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.