Home / 75,450.20-104,120.76-41,459.06

Finding the Fourth Proportional to 75,450.20, 104,120.76 and 41,459.06

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Solution

The fourth proportional to 75,450.20, 104,120.76 and 41,459.06 is: 57,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,450.20 : 104,120.76 = 41,459.06 : x
  2. Step 2: Convert to fraction form
    75,450.20/104,120.76 = 41,459.06/x
  3. Step 3: Cross multiply
    75,450.20x = 104,120.76 × 41,459.06
  4. Step 4: Simplify right side
    75,450.20x = 4,316,748,836.09
  5. Step 5: Solve for x
    x = 4,316,748,836.09/75,450.20
  6. Step 6: Final answer
    x = 57,213.22

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1.5x scale

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.