Home / 106,305.92-159,368.34-47,109.32

Finding the Fourth Proportional to 106,305.92, 159,368.34 and 47,109.32

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Solution

The fourth proportional to 106,305.92, 159,368.34 and 47,109.32 is: 70,623.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,305.92 : 159,368.34 = 47,109.32 : x
  2. Step 2: Convert to fraction form
    106,305.92/159,368.34 = 47,109.32/x
  3. Step 3: Cross multiply
    106,305.92x = 159,368.34 × 47,109.32
  4. Step 4: Simplify right side
    106,305.92x = 7,507,734,126.93
  5. Step 5: Solve for x
    x = 7,507,734,126.93/106,305.92
  6. Step 6: Final answer
    x = 70,623.86

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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.