Home / 55,759.47-76,929.30-35,628.12

Finding the Fourth Proportional to 55,759.47, 76,929.30 and 35,628.12

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Solution

The fourth proportional to 55,759.47, 76,929.30 and 35,628.12 is: 49,154.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,759.47 : 76,929.30 = 35,628.12 : x
  2. Step 2: Convert to fraction form
    55,759.47/76,929.30 = 35,628.12/x
  3. Step 3: Cross multiply
    55,759.47x = 76,929.30 × 35,628.12
  4. Step 4: Simplify right side
    55,759.47x = 2,740,846,331.92
  5. Step 5: Solve for x
    x = 2,740,846,331.92/55,759.47
  6. Step 6: Final answer
    x = 49,154.81

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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.