Home / 106,505.34-159,730.61-31,607.75

Finding the Fourth Proportional to 106,505.34, 159,730.61 and 31,607.75

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Solution

The fourth proportional to 106,505.34, 159,730.61 and 31,607.75 is: 47,403.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,505.34 : 159,730.61 = 31,607.75 : x
  2. Step 2: Convert to fraction form
    106,505.34/159,730.61 = 31,607.75/x
  3. Step 3: Cross multiply
    106,505.34x = 159,730.61 × 31,607.75
  4. Step 4: Simplify right side
    106,505.34x = 5,048,724,231.54
  5. Step 5: Solve for x
    x = 5,048,724,231.54/106,505.34
  6. Step 6: Final answer
    x = 47,403.48

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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.