Home / 66,930.81-92,364.23-41,432.09

Finding the Fourth Proportional to 66,930.81, 92,364.23 and 41,432.09

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Solution

The fourth proportional to 66,930.81, 92,364.23 and 41,432.09 is: 57,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,930.81 : 92,364.23 = 41,432.09 : x
  2. Step 2: Convert to fraction form
    66,930.81/92,364.23 = 41,432.09/x
  3. Step 3: Cross multiply
    66,930.81x = 92,364.23 × 41,432.09
  4. Step 4: Simplify right side
    66,930.81x = 3,826,842,731.90
  5. Step 5: Solve for x
    x = 3,826,842,731.90/66,930.81
  6. Step 6: Final answer
    x = 57,176.10

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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.