Home / 55,047.99-75,966.24-31,179.27

Finding the Fourth Proportional to 55,047.99, 75,966.24 and 31,179.27

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Solution

The fourth proportional to 55,047.99, 75,966.24 and 31,179.27 is: 43,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,047.99 : 75,966.24 = 31,179.27 : x
  2. Step 2: Convert to fraction form
    55,047.99/75,966.24 = 31,179.27/x
  3. Step 3: Cross multiply
    55,047.99x = 75,966.24 × 31,179.27
  4. Step 4: Simplify right side
    55,047.99x = 2,368,571,907.84
  5. Step 5: Solve for x
    x = 2,368,571,907.84/55,047.99
  6. Step 6: Final answer
    x = 43,027.40

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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.