Home / 75,338.51-113,028.62-61,263.74

Finding the Fourth Proportional to 75,338.51, 113,028.62 and 61,263.74

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Solution

The fourth proportional to 75,338.51, 113,028.62 and 61,263.74 is: 91,912.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,338.51 : 113,028.62 = 61,263.74 : x
  2. Step 2: Convert to fraction form
    75,338.51/113,028.62 = 61,263.74/x
  3. Step 3: Cross multiply
    75,338.51x = 113,028.62 × 61,263.74
  4. Step 4: Simplify right side
    75,338.51x = 6,924,555,964.49
  5. Step 5: Solve for x
    x = 6,924,555,964.49/75,338.51
  6. Step 6: Final answer
    x = 91,912.57

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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.