Home / 75,182.37-103,750.08-41,189.20

Finding the Fourth Proportional to 75,182.37, 103,750.08 and 41,189.20

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Solution

The fourth proportional to 75,182.37, 103,750.08 and 41,189.20 is: 56,840.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,182.37 : 103,750.08 = 41,189.20 : x
  2. Step 2: Convert to fraction form
    75,182.37/103,750.08 = 41,189.20/x
  3. Step 3: Cross multiply
    75,182.37x = 103,750.08 × 41,189.20
  4. Step 4: Simplify right side
    75,182.37x = 4,273,382,070.44
  5. Step 5: Solve for x
    x = 4,273,382,070.44/75,182.37
  6. Step 6: Final answer
    x = 56,840.22

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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.