Home / 55,216.08-76,198.14-30,065.76

Finding the Fourth Proportional to 55,216.08, 76,198.14 and 30,065.76

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Solution

The fourth proportional to 55,216.08, 76,198.14 and 30,065.76 is: 41,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,216.08 : 76,198.14 = 30,065.76 : x
  2. Step 2: Convert to fraction form
    55,216.08/76,198.14 = 30,065.76/x
  3. Step 3: Cross multiply
    55,216.08x = 76,198.14 × 30,065.76
  4. Step 4: Simplify right side
    55,216.08x = 2,290,954,989.69
  5. Step 5: Solve for x
    x = 2,290,954,989.69/55,216.08
  6. Step 6: Final answer
    x = 41,490.72

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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.