Home / 55,250.40-82,811.28-31,574.54

Finding the Fourth Proportional to 55,250.40, 82,811.28 and 31,574.54

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Solution

The fourth proportional to 55,250.40, 82,811.28 and 31,574.54 is: 47,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,250.40 : 82,811.28 = 31,574.54 : x
  2. Step 2: Convert to fraction form
    55,250.40/82,811.28 = 31,574.54/x
  3. Step 3: Cross multiply
    55,250.40x = 82,811.28 × 31,574.54
  4. Step 4: Simplify right side
    55,250.40x = 2,614,728,072.81
  5. Step 5: Solve for x
    x = 2,614,728,072.81/55,250.40
  6. Step 6: Final answer
    x = 47,325.05

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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.