Home / 106,309.36-159,483.66-43,984.72

Finding the Fourth Proportional to 106,309.36, 159,483.66 and 43,984.72

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Solution

The fourth proportional to 106,309.36, 159,483.66 and 43,984.72 is: 65,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,309.36 : 159,483.66 = 43,984.72 : x
  2. Step 2: Convert to fraction form
    106,309.36/159,483.66 = 43,984.72/x
  3. Step 3: Cross multiply
    106,309.36x = 159,483.66 × 43,984.72
  4. Step 4: Simplify right side
    106,309.36x = 7,014,844,129.68
  5. Step 5: Solve for x
    x = 7,014,844,129.68/106,309.36
  6. Step 6: Final answer
    x = 65,985.20

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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.