Home / 73,159.03-109,716.90-31,038.58

Finding the Fourth Proportional to 73,159.03, 109,716.90 and 31,038.58

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Solution

The fourth proportional to 73,159.03, 109,716.90 and 31,038.58 is: 46,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,159.03 : 109,716.90 = 31,038.58 : x
  2. Step 2: Convert to fraction form
    73,159.03/109,716.90 = 31,038.58/x
  3. Step 3: Cross multiply
    73,159.03x = 109,716.90 × 31,038.58
  4. Step 4: Simplify right side
    73,159.03x = 3,405,456,778.00
  5. Step 5: Solve for x
    x = 3,405,456,778.00/73,159.03
  6. Step 6: Final answer
    x = 46,548.69

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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.