Home / 55,037.14-75,952.89-31,163.20

Finding the Fourth Proportional to 55,037.14, 75,952.89 and 31,163.20

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Solution

The fourth proportional to 55,037.14, 75,952.89 and 31,163.20 is: 43,006.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,037.14 : 75,952.89 = 31,163.20 : x
  2. Step 2: Convert to fraction form
    55,037.14/75,952.89 = 31,163.20/x
  3. Step 3: Cross multiply
    55,037.14x = 75,952.89 × 31,163.20
  4. Step 4: Simplify right side
    55,037.14x = 2,366,934,911.77
  5. Step 5: Solve for x
    x = 2,366,934,911.77/55,037.14
  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.