Home / 106,909.08-160,316.22-56,979.90

Finding the Fourth Proportional to 106,909.08, 160,316.22 and 56,979.90

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Solution

The fourth proportional to 106,909.08, 160,316.22 and 56,979.90 is: 85,444.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,909.08 : 160,316.22 = 56,979.90 : x
  2. Step 2: Convert to fraction form
    106,909.08/160,316.22 = 56,979.90/x
  3. Step 3: Cross multiply
    106,909.08x = 160,316.22 × 56,979.90
  4. Step 4: Simplify right side
    106,909.08x = 9,134,802,183.98
  5. Step 5: Solve for x
    x = 9,134,802,183.98/106,909.08
  6. Step 6: Final answer
    x = 85,444.59

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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.