Home / 75,505.09-113,336.32-73,810.81

Finding the Fourth Proportional to 75,505.09, 113,336.32 and 73,810.81

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Solution

The fourth proportional to 75,505.09, 113,336.32 and 73,810.81 is: 110,793.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,505.09 : 113,336.32 = 73,810.81 : x
  2. Step 2: Convert to fraction form
    75,505.09/113,336.32 = 73,810.81/x
  3. Step 3: Cross multiply
    75,505.09x = 113,336.32 × 73,810.81
  4. Step 4: Simplify right side
    75,505.09x = 8,365,445,581.62
  5. Step 5: Solve for x
    x = 8,365,445,581.62/75,505.09
  6. Step 6: Final answer
    x = 110,793.13

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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.