Home / 66,869.16-92,288.89-41,383.74

Finding the Fourth Proportional to 66,869.16, 92,288.89 and 41,383.74

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Solution

The fourth proportional to 66,869.16, 92,288.89 and 41,383.74 is: 57,115.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,869.16 : 92,288.89 = 41,383.74 : x
  2. Step 2: Convert to fraction form
    66,869.16/92,288.89 = 41,383.74/x
  3. Step 3: Cross multiply
    66,869.16x = 92,288.89 × 41,383.74
  4. Step 4: Simplify right side
    66,869.16x = 3,819,259,428.65
  5. Step 5: Solve for x
    x = 3,819,259,428.65/66,869.16
  6. Step 6: Final answer
    x = 57,115.41

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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.