Home / 55,235.71-82,845.01-30,288.07

Finding the Fourth Proportional to 55,235.71, 82,845.01 and 30,288.07

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Solution

The fourth proportional to 55,235.71, 82,845.01 and 30,288.07 is: 45,427.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,235.71 : 82,845.01 = 30,288.07 : x
  2. Step 2: Convert to fraction form
    55,235.71/82,845.01 = 30,288.07/x
  3. Step 3: Cross multiply
    55,235.71x = 82,845.01 × 30,288.07
  4. Step 4: Simplify right side
    55,235.71x = 2,509,215,462.03
  5. Step 5: Solve for x
    x = 2,509,215,462.03/55,235.71
  6. Step 6: Final answer
    x = 45,427.41

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1.5x scale

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.