Home / 78,658.08-117,948.48-33,673.07

Finding the Fourth Proportional to 78,658.08, 117,948.48 and 33,673.07

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Solution

The fourth proportional to 78,658.08, 117,948.48 and 33,673.07 is: 50,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,658.08 : 117,948.48 = 33,673.07 : x
  2. Step 2: Convert to fraction form
    78,658.08/117,948.48 = 33,673.07/x
  3. Step 3: Cross multiply
    78,658.08x = 117,948.48 × 33,673.07
  4. Step 4: Simplify right side
    78,658.08x = 3,971,687,423.43
  5. Step 5: Solve for x
    x = 3,971,687,423.43/78,658.08
  6. Step 6: Final answer
    x = 50,493.06

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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.