Home / 61,890.58-92,831.28-19,768.96

Finding the Fourth Proportional to 61,890.58, 92,831.28 and 19,768.96

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Solution

The fourth proportional to 61,890.58, 92,831.28 and 19,768.96 is: 29,651.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,890.58 : 92,831.28 = 19,768.96 : x
  2. Step 2: Convert to fraction form
    61,890.58/92,831.28 = 19,768.96/x
  3. Step 3: Cross multiply
    61,890.58x = 92,831.28 × 19,768.96
  4. Step 4: Simplify right side
    61,890.58x = 1,835,177,861.07
  5. Step 5: Solve for x
    x = 1,835,177,861.07/61,890.58
  6. Step 6: Final answer
    x = 29,651.97

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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.