Home / 75,142.13-103,699.37-41,608.13

Finding the Fourth Proportional to 75,142.13, 103,699.37 and 41,608.13

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Solution

The fourth proportional to 75,142.13, 103,699.37 and 41,608.13 is: 57,421.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,142.13 : 103,699.37 = 41,608.13 : x
  2. Step 2: Convert to fraction form
    75,142.13/103,699.37 = 41,608.13/x
  3. Step 3: Cross multiply
    75,142.13x = 103,699.37 × 41,608.13
  4. Step 4: Simplify right side
    75,142.13x = 4,314,736,867.88
  5. Step 5: Solve for x
    x = 4,314,736,867.88/75,142.13
  6. Step 6: Final answer
    x = 57,421.01

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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.