Home / 55,037.12-75,952.91-31,163.18

Finding the Fourth Proportional to 55,037.12, 75,952.91 and 31,163.18

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Solution

The fourth proportional to 55,037.12, 75,952.91 and 31,163.18 is: 43,006.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,037.12 : 75,952.91 = 31,163.18 : x
  2. Step 2: Convert to fraction form
    55,037.12/75,952.91 = 31,163.18/x
  3. Step 3: Cross multiply
    55,037.12x = 75,952.91 × 31,163.18
  4. Step 4: Simplify right side
    55,037.12x = 2,366,933,904.00
  5. Step 5: Solve for x
    x = 2,366,933,904.00/55,037.12
  6. Step 6: Final answer
    x = 43,006.14

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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.