Home / 73,555.61-110,288.03-31,412.12

Finding the Fourth Proportional to 73,555.61, 110,288.03 and 31,412.12

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Solution

The fourth proportional to 73,555.61, 110,288.03 and 31,412.12 is: 47,098.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,555.61 : 110,288.03 = 31,412.12 : x
  2. Step 2: Convert to fraction form
    73,555.61/110,288.03 = 31,412.12/x
  3. Step 3: Cross multiply
    73,555.61x = 110,288.03 × 31,412.12
  4. Step 4: Simplify right side
    73,555.61x = 3,464,380,124.42
  5. Step 5: Solve for x
    x = 3,464,380,124.42/73,555.61
  6. Step 6: Final answer
    x = 47,098.79

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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.