Home / 95,145.36-142,738.08-35,979.72

Finding the Fourth Proportional to 95,145.36, 142,738.08 and 35,979.72

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Solution

The fourth proportional to 95,145.36, 142,738.08 and 35,979.72 is: 53,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,145.36 : 142,738.08 = 35,979.72 : x
  2. Step 2: Convert to fraction form
    95,145.36/142,738.08 = 35,979.72/x
  3. Step 3: Cross multiply
    95,145.36x = 142,738.08 × 35,979.72
  4. Step 4: Simplify right side
    95,145.36x = 5,135,676,151.74
  5. Step 5: Solve for x
    x = 5,135,676,151.74/95,145.36
  6. Step 6: Final answer
    x = 53,977.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.