Home / 75,503.10-113,291.10-53,268.60

Finding the Fourth Proportional to 75,503.10, 113,291.10 and 53,268.60

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Solution

The fourth proportional to 75,503.10, 113,291.10 and 53,268.60 is: 79,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,503.10 : 113,291.10 = 53,268.60 : x
  2. Step 2: Convert to fraction form
    75,503.10/113,291.10 = 53,268.60/x
  3. Step 3: Cross multiply
    75,503.10x = 113,291.10 × 53,268.60
  4. Step 4: Simplify right side
    75,503.10x = 6,034,858,289.46
  5. Step 5: Solve for x
    x = 6,034,858,289.46/75,503.10
  6. Step 6: Final answer
    x = 79,928.62

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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.