Home / 53,986.40-74,535.92-33,870.88

Finding the Fourth Proportional to 53,986.40, 74,535.92 and 33,870.88

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Solution

The fourth proportional to 53,986.40, 74,535.92 and 33,870.88 is: 46,763.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,986.40 : 74,535.92 = 33,870.88 : x
  2. Step 2: Convert to fraction form
    53,986.40/74,535.92 = 33,870.88/x
  3. Step 3: Cross multiply
    53,986.40x = 74,535.92 × 33,870.88
  4. Step 4: Simplify right side
    53,986.40x = 2,524,597,202.01
  5. Step 5: Solve for x
    x = 2,524,597,202.01/53,986.40
  6. Step 6: Final answer
    x = 46,763.58

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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.