Home / 96,145.09-132,567.66-65,536.30

Finding the Fourth Proportional to 96,145.09, 132,567.66 and 65,536.30

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Solution

The fourth proportional to 96,145.09, 132,567.66 and 65,536.30 is: 90,363.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,145.09 : 132,567.66 = 65,536.30 : x
  2. Step 2: Convert to fraction form
    96,145.09/132,567.66 = 65,536.30/x
  3. Step 3: Cross multiply
    96,145.09x = 132,567.66 × 65,536.30
  4. Step 4: Simplify right side
    96,145.09x = 8,687,993,604.64
  5. Step 5: Solve for x
    x = 8,687,993,604.64/96,145.09
  6. Step 6: Final answer
    x = 90,363.36

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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.