Home / 75,926.78-113,878.50-25,326.72

Finding the Fourth Proportional to 75,926.78, 113,878.50 and 25,326.72

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Solution

The fourth proportional to 75,926.78, 113,878.50 and 25,326.72 is: 37,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,926.78 : 113,878.50 = 25,326.72 : x
  2. Step 2: Convert to fraction form
    75,926.78/113,878.50 = 25,326.72/x
  3. Step 3: Cross multiply
    75,926.78x = 113,878.50 × 25,326.72
  4. Step 4: Simplify right side
    75,926.78x = 2,884,168,883.52
  5. Step 5: Solve for x
    x = 2,884,168,883.52/75,926.78
  6. Step 6: Final answer
    x = 37,986.19

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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.