Home / 75,162.12-112,764.78-35,664.90

Finding the Fourth Proportional to 75,162.12, 112,764.78 and 35,664.90

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Solution

The fourth proportional to 75,162.12, 112,764.78 and 35,664.90 is: 53,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,162.12 : 112,764.78 = 35,664.90 : x
  2. Step 2: Convert to fraction form
    75,162.12/112,764.78 = 35,664.90/x
  3. Step 3: Cross multiply
    75,162.12x = 112,764.78 × 35,664.90
  4. Step 4: Simplify right side
    75,162.12x = 4,021,744,602.22
  5. Step 5: Solve for x
    x = 4,021,744,602.22/75,162.12
  6. Step 6: Final answer
    x = 53,507.60

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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.