Home / 73,015.40-109,482.94-32,987.36

Finding the Fourth Proportional to 73,015.40, 109,482.94 and 32,987.36

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Solution

The fourth proportional to 73,015.40, 109,482.94 and 32,987.36 is: 49,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,015.40 : 109,482.94 = 32,987.36 : x
  2. Step 2: Convert to fraction form
    73,015.40/109,482.94 = 32,987.36/x
  3. Step 3: Cross multiply
    73,015.40x = 109,482.94 × 32,987.36
  4. Step 4: Simplify right side
    73,015.40x = 3,611,553,470.58
  5. Step 5: Solve for x
    x = 3,611,553,470.58/73,015.40
  6. Step 6: Final answer
    x = 49,462.90

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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.