Home / 56,298.57-77,698.68-31,770.03

Finding the Fourth Proportional to 56,298.57, 77,698.68 and 31,770.03

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Solution

The fourth proportional to 56,298.57, 77,698.68 and 31,770.03 is: 43,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,298.57 : 77,698.68 = 31,770.03 : x
  2. Step 2: Convert to fraction form
    56,298.57/77,698.68 = 31,770.03/x
  3. Step 3: Cross multiply
    56,298.57x = 77,698.68 × 31,770.03
  4. Step 4: Simplify right side
    56,298.57x = 2,468,489,394.56
  5. Step 5: Solve for x
    x = 2,468,489,394.56/56,298.57
  6. Step 6: Final answer
    x = 43,846.40

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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.