Home / 96,151.32-132,679.22-55,866.78

Finding the Fourth Proportional to 96,151.32, 132,679.22 and 55,866.78

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Solution

The fourth proportional to 96,151.32, 132,679.22 and 55,866.78 is: 77,090.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,151.32 : 132,679.22 = 55,866.78 : x
  2. Step 2: Convert to fraction form
    96,151.32/132,679.22 = 55,866.78/x
  3. Step 3: Cross multiply
    96,151.32x = 132,679.22 × 55,866.78
  4. Step 4: Simplify right side
    96,151.32x = 7,412,360,514.98
  5. Step 5: Solve for x
    x = 7,412,360,514.98/96,151.32
  6. Step 6: Final answer
    x = 77,090.57

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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.