Home / 53,964.40-80,860.20-35,474.80

Finding the Fourth Proportional to 53,964.40, 80,860.20 and 35,474.80

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Solution

The fourth proportional to 53,964.40, 80,860.20 and 35,474.80 is: 53,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,964.40 : 80,860.20 = 35,474.80 : x
  2. Step 2: Convert to fraction form
    53,964.40/80,860.20 = 35,474.80/x
  3. Step 3: Cross multiply
    53,964.40x = 80,860.20 × 35,474.80
  4. Step 4: Simplify right side
    53,964.40x = 2,868,499,422.96
  5. Step 5: Solve for x
    x = 2,868,499,422.96/53,964.40
  6. Step 6: Final answer
    x = 53,155.40

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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.