Home / 55,713.84-83,583.74-30,747.88

Finding the Fourth Proportional to 55,713.84, 83,583.74 and 30,747.88

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Solution

The fourth proportional to 55,713.84, 83,583.74 and 30,747.88 is: 46,128.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,713.84 : 83,583.74 = 30,747.88 : x
  2. Step 2: Convert to fraction form
    55,713.84/83,583.74 = 30,747.88/x
  3. Step 3: Cross multiply
    55,713.84x = 83,583.74 × 30,747.88
  4. Step 4: Simplify right side
    55,713.84x = 2,570,022,807.47
  5. Step 5: Solve for x
    x = 2,570,022,807.47/55,713.84
  6. Step 6: Final answer
    x = 46,128.98

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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.