Home / 75,695.38-104,464.29-42,161.38

Finding the Fourth Proportional to 75,695.38, 104,464.29 and 42,161.38

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Solution

The fourth proportional to 75,695.38, 104,464.29 and 42,161.38 is: 58,185.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,695.38 : 104,464.29 = 42,161.38 : x
  2. Step 2: Convert to fraction form
    75,695.38/104,464.29 = 42,161.38/x
  3. Step 3: Cross multiply
    75,695.38x = 104,464.29 × 42,161.38
  4. Step 4: Simplify right side
    75,695.38x = 4,404,358,627.12
  5. Step 5: Solve for x
    x = 4,404,358,627.12/75,695.38
  6. Step 6: Final answer
    x = 58,185.30

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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.