Home / 87,346.84-120,551.80-53,375.04

Finding the Fourth Proportional to 87,346.84, 120,551.80 and 53,375.04

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Solution

The fourth proportional to 87,346.84, 120,551.80 and 53,375.04 is: 73,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,346.84 : 120,551.80 = 53,375.04 : x
  2. Step 2: Convert to fraction form
    87,346.84/120,551.80 = 53,375.04/x
  3. Step 3: Cross multiply
    87,346.84x = 120,551.80 × 53,375.04
  4. Step 4: Simplify right side
    87,346.84x = 6,434,457,147.07
  5. Step 5: Solve for x
    x = 6,434,457,147.07/87,346.84
  6. Step 6: Final answer
    x = 73,665.60

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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.