Home / 69,150.64-95,402.70-40,461.28

Finding the Fourth Proportional to 69,150.64, 95,402.70 and 40,461.28

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Solution

The fourth proportional to 69,150.64, 95,402.70 and 40,461.28 is: 55,821.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,150.64 : 95,402.70 = 40,461.28 : x
  2. Step 2: Convert to fraction form
    69,150.64/95,402.70 = 40,461.28/x
  3. Step 3: Cross multiply
    69,150.64x = 95,402.70 × 40,461.28
  4. Step 4: Simplify right side
    69,150.64x = 3,860,115,357.46
  5. Step 5: Solve for x
    x = 3,860,115,357.46/69,150.64
  6. Step 6: Final answer
    x = 55,821.83

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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.