Home / 61,811.09-92,685.92-19,685.67

Finding the Fourth Proportional to 61,811.09, 92,685.92 and 19,685.67

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Solution

The fourth proportional to 61,811.09, 92,685.92 and 19,685.67 is: 29,518.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,811.09 : 92,685.92 = 19,685.67 : x
  2. Step 2: Convert to fraction form
    61,811.09/92,685.92 = 19,685.67/x
  3. Step 3: Cross multiply
    61,811.09x = 92,685.92 × 19,685.67
  4. Step 4: Simplify right side
    61,811.09x = 1,824,584,336.34
  5. Step 5: Solve for x
    x = 1,824,584,336.34/61,811.09
  6. Step 6: Final answer
    x = 29,518.72

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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.