Home / 110,521.40-165,798.56-39,438.50

Finding the Fourth Proportional to 110,521.40, 165,798.56 and 39,438.50

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Solution

The fourth proportional to 110,521.40, 165,798.56 and 39,438.50 is: 59,163.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,521.40 : 165,798.56 = 39,438.50 : x
  2. Step 2: Convert to fraction form
    110,521.40/165,798.56 = 39,438.50/x
  3. Step 3: Cross multiply
    110,521.40x = 165,798.56 × 39,438.50
  4. Step 4: Simplify right side
    110,521.40x = 6,538,846,508.56
  5. Step 5: Solve for x
    x = 6,538,846,508.56/110,521.40
  6. Step 6: Final answer
    x = 59,163.62

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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.