Home / 55,049.87-75,966.28-31,176.72

Finding the Fourth Proportional to 55,049.87, 75,966.28 and 31,176.72

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Solution

The fourth proportional to 55,049.87, 75,966.28 and 31,176.72 is: 43,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,049.87 : 75,966.28 = 31,176.72 : x
  2. Step 2: Convert to fraction form
    55,049.87/75,966.28 = 31,176.72/x
  3. Step 3: Cross multiply
    55,049.87x = 75,966.28 × 31,176.72
  4. Step 4: Simplify right side
    55,049.87x = 2,368,378,905.29
  5. Step 5: Solve for x
    x = 2,368,378,905.29/55,049.87
  6. Step 6: Final answer
    x = 43,022.43

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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.