Home / 92,391.34-127,532.82-54,665.50

Finding the Fourth Proportional to 92,391.34, 127,532.82 and 54,665.50

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Solution

The fourth proportional to 92,391.34, 127,532.82 and 54,665.50 is: 75,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,391.34 : 127,532.82 = 54,665.50 : x
  2. Step 2: Convert to fraction form
    92,391.34/127,532.82 = 54,665.50/x
  3. Step 3: Cross multiply
    92,391.34x = 127,532.82 × 54,665.50
  4. Step 4: Simplify right side
    92,391.34x = 6,971,645,371.71
  5. Step 5: Solve for x
    x = 6,971,645,371.71/92,391.34
  6. Step 6: Final answer
    x = 75,457.78

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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.