Home / 75,176.83-103,739.56-41,178.52

Finding the Fourth Proportional to 75,176.83, 103,739.56 and 41,178.52

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Solution

The fourth proportional to 75,176.83, 103,739.56 and 41,178.52 is: 56,823.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,176.83 : 103,739.56 = 41,178.52 : x
  2. Step 2: Convert to fraction form
    75,176.83/103,739.56 = 41,178.52/x
  3. Step 3: Cross multiply
    75,176.83x = 103,739.56 × 41,178.52
  4. Step 4: Simplify right side
    75,176.83x = 4,271,841,546.25
  5. Step 5: Solve for x
    x = 4,271,841,546.25/75,176.83
  6. Step 6: Final answer
    x = 56,823.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.