Home / 69,973.15-105,003.93-36,717.09

Finding the Fourth Proportional to 69,973.15, 105,003.93 and 36,717.09

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Solution

The fourth proportional to 69,973.15, 105,003.93 and 36,717.09 is: 55,098.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,973.15 : 105,003.93 = 36,717.09 : x
  2. Step 2: Convert to fraction form
    69,973.15/105,003.93 = 36,717.09/x
  3. Step 3: Cross multiply
    69,973.15x = 105,003.93 × 36,717.09
  4. Step 4: Simplify right side
    69,973.15x = 3,855,438,748.16
  5. Step 5: Solve for x
    x = 3,855,438,748.16/69,973.15
  6. Step 6: Final answer
    x = 55,098.83

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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.