Home / 103,969.17-155,972.97-32,909.67

Finding the Fourth Proportional to 103,969.17, 155,972.97 and 32,909.67

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Solution

The fourth proportional to 103,969.17, 155,972.97 and 32,909.67 is: 49,370.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,969.17 : 155,972.97 = 32,909.67 : x
  2. Step 2: Convert to fraction form
    103,969.17/155,972.97 = 32,909.67/x
  3. Step 3: Cross multiply
    103,969.17x = 155,972.97 × 32,909.67
  4. Step 4: Simplify right side
    103,969.17x = 5,133,018,971.62
  5. Step 5: Solve for x
    x = 5,133,018,971.62/103,969.17
  6. Step 6: Final answer
    x = 49,370.59

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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.