Home / 96,005.12-132,486.84-55,742.45

Finding the Fourth Proportional to 96,005.12, 132,486.84 and 55,742.45

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Solution

The fourth proportional to 96,005.12, 132,486.84 and 55,742.45 is: 76,924.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,005.12 : 132,486.84 = 55,742.45 : x
  2. Step 2: Convert to fraction form
    96,005.12/132,486.84 = 55,742.45/x
  3. Step 3: Cross multiply
    96,005.12x = 132,486.84 × 55,742.45
  4. Step 4: Simplify right side
    96,005.12x = 7,385,140,391.92
  5. Step 5: Solve for x
    x = 7,385,140,391.92/96,005.12
  6. Step 6: Final answer
    x = 76,924.45

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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.