Home / 92,769.71-139,196.09-53,326.83

Finding the Fourth Proportional to 92,769.71, 139,196.09 and 53,326.83

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Solution

The fourth proportional to 92,769.71, 139,196.09 and 53,326.83 is: 80,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,769.71 : 139,196.09 = 53,326.83 : x
  2. Step 2: Convert to fraction form
    92,769.71/139,196.09 = 53,326.83/x
  3. Step 3: Cross multiply
    92,769.71x = 139,196.09 × 53,326.83
  4. Step 4: Simplify right side
    92,769.71x = 7,422,885,961.46
  5. Step 5: Solve for x
    x = 7,422,885,961.46/92,769.71
  6. Step 6: Final answer
    x = 80,014.12

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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.