Home / 106,308.36-159,482.16-43,983.72

Finding the Fourth Proportional to 106,308.36, 159,482.16 and 43,983.72

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Solution

The fourth proportional to 106,308.36, 159,482.16 and 43,983.72 is: 65,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,308.36 : 159,482.16 = 43,983.72 : x
  2. Step 2: Convert to fraction form
    106,308.36/159,482.16 = 43,983.72/x
  3. Step 3: Cross multiply
    106,308.36x = 159,482.16 × 43,983.72
  4. Step 4: Simplify right side
    106,308.36x = 7,014,618,670.44
  5. Step 5: Solve for x
    x = 7,014,618,670.44/106,308.36
  6. Step 6: Final answer
    x = 65,983.70

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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.