Home / 56,185.20-77,529.96-31,033.08

Finding the Fourth Proportional to 56,185.20, 77,529.96 and 31,033.08

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Solution

The fourth proportional to 56,185.20, 77,529.96 and 31,033.08 is: 42,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,185.20 : 77,529.96 = 31,033.08 : x
  2. Step 2: Convert to fraction form
    56,185.20/77,529.96 = 31,033.08/x
  3. Step 3: Cross multiply
    56,185.20x = 77,529.96 × 31,033.08
  4. Step 4: Simplify right side
    56,185.20x = 2,405,993,451.08
  5. Step 5: Solve for x
    x = 2,405,993,451.08/56,185.20
  6. Step 6: Final answer
    x = 42,822.55

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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.