Home / 113,347.96-170,022.30-42,255.88

Finding the Fourth Proportional to 113,347.96, 170,022.30 and 42,255.88

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Solution

The fourth proportional to 113,347.96, 170,022.30 and 42,255.88 is: 63,383.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,347.96 : 170,022.30 = 42,255.88 : x
  2. Step 2: Convert to fraction form
    113,347.96/170,022.30 = 42,255.88/x
  3. Step 3: Cross multiply
    113,347.96x = 170,022.30 × 42,255.88
  4. Step 4: Simplify right side
    113,347.96x = 7,184,441,906.12
  5. Step 5: Solve for x
    x = 7,184,441,906.12/113,347.96
  6. Step 6: Final answer
    x = 63,383.95

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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.