Home / 75,140.82-103,694.32-41,606.82

Finding the Fourth Proportional to 75,140.82, 103,694.32 and 41,606.82

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Solution

The fourth proportional to 75,140.82, 103,694.32 and 41,606.82 is: 57,417.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,140.82 : 103,694.32 = 41,606.82 : x
  2. Step 2: Convert to fraction form
    75,140.82/103,694.32 = 41,606.82/x
  3. Step 3: Cross multiply
    75,140.82x = 103,694.32 × 41,606.82
  4. Step 4: Simplify right side
    75,140.82x = 4,314,390,907.26
  5. Step 5: Solve for x
    x = 4,314,390,907.26/75,140.82
  6. Step 6: Final answer
    x = 57,417.41

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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.