Home / 125,500.26-173,179.62-71,776.65

Finding the Fourth Proportional to 125,500.26, 173,179.62 and 71,776.65

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Solution

The fourth proportional to 125,500.26, 173,179.62 and 71,776.65 is: 99,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,500.26 : 173,179.62 = 71,776.65 : x
  2. Step 2: Convert to fraction form
    125,500.26/173,179.62 = 71,776.65/x
  3. Step 3: Cross multiply
    125,500.26x = 173,179.62 × 71,776.65
  4. Step 4: Simplify right side
    125,500.26x = 12,430,252,971.87
  5. Step 5: Solve for x
    x = 12,430,252,971.87/125,500.26
  6. Step 6: Final answer
    x = 99,045.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.