Home / 75,580.56-113,421.60-52,165.08

Finding the Fourth Proportional to 75,580.56, 113,421.60 and 52,165.08

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Solution

The fourth proportional to 75,580.56, 113,421.60 and 52,165.08 is: 78,282.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,580.56 : 113,421.60 = 52,165.08 : x
  2. Step 2: Convert to fraction form
    75,580.56/113,421.60 = 52,165.08/x
  3. Step 3: Cross multiply
    75,580.56x = 113,421.60 × 52,165.08
  4. Step 4: Simplify right side
    75,580.56x = 5,916,646,837.73
  5. Step 5: Solve for x
    x = 5,916,646,837.73/75,580.56
  6. Step 6: Final answer
    x = 78,282.65

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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.