Home / 75,182.77-103,750.63-41,189.60

Finding the Fourth Proportional to 75,182.77, 103,750.63 and 41,189.60

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Solution

The fourth proportional to 75,182.77, 103,750.63 and 41,189.60 is: 56,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,182.77 : 103,750.63 = 41,189.60 : x
  2. Step 2: Convert to fraction form
    75,182.77/103,750.63 = 41,189.60/x
  3. Step 3: Cross multiply
    75,182.77x = 103,750.63 × 41,189.60
  4. Step 4: Simplify right side
    75,182.77x = 4,273,446,949.45
  5. Step 5: Solve for x
    x = 4,273,446,949.45/75,182.77
  6. Step 6: Final answer
    x = 56,840.78

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1.5x scale

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.