Home / 75,085.08-103,618.14-41,551

Finding the Fourth Proportional to 75,085.08, 103,618.14 and 41,551

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Solution

The fourth proportional to 75,085.08, 103,618.14 and 41,551 is: 57,340.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,085.08 : 103,618.14 = 41,551 : x
  2. Step 2: Convert to fraction form
    75,085.08/103,618.14 = 41,551/x
  3. Step 3: Cross multiply
    75,085.08x = 103,618.14 × 41,551
  4. Step 4: Simplify right side
    75,085.08x = 4,305,437,335.14
  5. Step 5: Solve for x
    x = 4,305,437,335.14/75,085.08
  6. Step 6: Final answer
    x = 57,340.78

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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.