Home / 73,315.23-109,950.90-38,235.75

Finding the Fourth Proportional to 73,315.23, 109,950.90 and 38,235.75

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Solution

The fourth proportional to 73,315.23, 109,950.90 and 38,235.75 is: 57,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,315.23 : 109,950.90 = 38,235.75 : x
  2. Step 2: Convert to fraction form
    73,315.23/109,950.90 = 38,235.75/x
  3. Step 3: Cross multiply
    73,315.23x = 109,950.90 × 38,235.75
  4. Step 4: Simplify right side
    73,315.23x = 4,204,054,574.92
  5. Step 5: Solve for x
    x = 4,204,054,574.92/73,315.23
  6. Step 6: Final answer
    x = 57,342.18

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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.