Home / 45,245.39-67,779.79-29,615.63

Finding the Fourth Proportional to 45,245.39, 67,779.79 and 29,615.63

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Solution

The fourth proportional to 45,245.39, 67,779.79 and 29,615.63 is: 44,365.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,245.39 : 67,779.79 = 29,615.63 : x
  2. Step 2: Convert to fraction form
    45,245.39/67,779.79 = 29,615.63/x
  3. Step 3: Cross multiply
    45,245.39x = 67,779.79 × 29,615.63
  4. Step 4: Simplify right side
    45,245.39x = 2,007,340,769.18
  5. Step 5: Solve for x
    x = 2,007,340,769.18/45,245.39
  6. Step 6: Final answer
    x = 44,365.65

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1.5x scale

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.