Home / 78,253.18-117,389.08-24,926.43

Finding the Fourth Proportional to 78,253.18, 117,389.08 and 24,926.43

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Solution

The fourth proportional to 78,253.18, 117,389.08 and 24,926.43 is: 37,392.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,253.18 : 117,389.08 = 24,926.43 : x
  2. Step 2: Convert to fraction form
    78,253.18/117,389.08 = 24,926.43/x
  3. Step 3: Cross multiply
    78,253.18x = 117,389.08 × 24,926.43
  4. Step 4: Simplify right side
    78,253.18x = 2,926,090,716.54
  5. Step 5: Solve for x
    x = 2,926,090,716.54/78,253.18
  6. Step 6: Final answer
    x = 37,392.61

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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.