Home / 71,160.32-106,758-50,141.41

Finding the Fourth Proportional to 71,160.32, 106,758 and 50,141.41

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Solution

The fourth proportional to 71,160.32, 106,758 and 50,141.41 is: 75,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,160.32 : 106,758 = 50,141.41 : x
  2. Step 2: Convert to fraction form
    71,160.32/106,758 = 50,141.41/x
  3. Step 3: Cross multiply
    71,160.32x = 106,758 × 50,141.41
  4. Step 4: Simplify right side
    71,160.32x = 5,352,996,381.89
  5. Step 5: Solve for x
    x = 5,352,996,381.89/71,160.32
  6. Step 6: Final answer
    x = 75,224.45

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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.