Home / 107,392.85-161,076.93-28,513.25

Finding the Fourth Proportional to 107,392.85, 161,076.93 and 28,513.25

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Solution

The fourth proportional to 107,392.85, 161,076.93 and 28,513.25 is: 42,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,392.85 : 161,076.93 = 28,513.25 : x
  2. Step 2: Convert to fraction form
    107,392.85/161,076.93 = 28,513.25/x
  3. Step 3: Cross multiply
    107,392.85x = 161,076.93 × 28,513.25
  4. Step 4: Simplify right side
    107,392.85x = 4,592,826,774.32
  5. Step 5: Solve for x
    x = 4,592,826,774.32/107,392.85
  6. Step 6: Final answer
    x = 42,766.60

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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.