Home / 96,038.80-132,512.16-55,729.12

Finding the Fourth Proportional to 96,038.80, 132,512.16 and 55,729.12

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Solution

The fourth proportional to 96,038.80, 132,512.16 and 55,729.12 is: 76,893.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,038.80 : 132,512.16 = 55,729.12 : x
  2. Step 2: Convert to fraction form
    96,038.80/132,512.16 = 55,729.12/x
  3. Step 3: Cross multiply
    96,038.80x = 132,512.16 × 55,729.12
  4. Step 4: Simplify right side
    96,038.80x = 7,384,786,066.10
  5. Step 5: Solve for x
    x = 7,384,786,066.10/96,038.80
  6. Step 6: Final answer
    x = 76,893.78

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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.