Home / 55,575.69-76,694.45-30,425.19

Finding the Fourth Proportional to 55,575.69, 76,694.45 and 30,425.19

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Solution

The fourth proportional to 55,575.69, 76,694.45 and 30,425.19 is: 41,986.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,575.69 : 76,694.45 = 30,425.19 : x
  2. Step 2: Convert to fraction form
    55,575.69/76,694.45 = 30,425.19/x
  3. Step 3: Cross multiply
    55,575.69x = 76,694.45 × 30,425.19
  4. Step 4: Simplify right side
    55,575.69x = 2,333,443,213.20
  5. Step 5: Solve for x
    x = 2,333,443,213.20/55,575.69
  6. Step 6: Final answer
    x = 41,986.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.