Home / 125,101.33-187,663.50-40,861.94

Finding the Fourth Proportional to 125,101.33, 187,663.50 and 40,861.94

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Solution

The fourth proportional to 125,101.33, 187,663.50 and 40,861.94 is: 61,296.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,101.33 : 187,663.50 = 40,861.94 : x
  2. Step 2: Convert to fraction form
    125,101.33/187,663.50 = 40,861.94/x
  3. Step 3: Cross multiply
    125,101.33x = 187,663.50 × 40,861.94
  4. Step 4: Simplify right side
    125,101.33x = 7,668,293,738.87
  5. Step 5: Solve for x
    x = 7,668,293,738.87/125,101.33
  6. Step 6: Final answer
    x = 61,296.66

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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.