Home / 106,279.32-159,441.12-56,345.85

Finding the Fourth Proportional to 106,279.32, 159,441.12 and 56,345.85

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Solution

The fourth proportional to 106,279.32, 159,441.12 and 56,345.85 is: 84,530.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,279.32 : 159,441.12 = 56,345.85 : x
  2. Step 2: Convert to fraction form
    106,279.32/159,441.12 = 56,345.85/x
  3. Step 3: Cross multiply
    106,279.32x = 159,441.12 × 56,345.85
  4. Step 4: Simplify right side
    106,279.32x = 8,983,845,431.35
  5. Step 5: Solve for x
    x = 8,983,845,431.35/106,279.32
  6. Step 6: Final answer
    x = 84,530.51

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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.