Home / 106,315.45-159,473.86-27,430.36

Finding the Fourth Proportional to 106,315.45, 159,473.86 and 27,430.36

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Solution

The fourth proportional to 106,315.45, 159,473.86 and 27,430.36 is: 41,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,315.45 : 159,473.86 = 27,430.36 : x
  2. Step 2: Convert to fraction form
    106,315.45/159,473.86 = 27,430.36/x
  3. Step 3: Cross multiply
    106,315.45x = 159,473.86 × 27,430.36
  4. Step 4: Simplify right side
    106,315.45x = 4,374,425,974.47
  5. Step 5: Solve for x
    x = 4,374,425,974.47/106,315.45
  6. Step 6: Final answer
    x = 41,145.72

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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.