Home / 55,027.96-75,936.29-31,155.94

Finding the Fourth Proportional to 55,027.96, 75,936.29 and 31,155.94

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Solution

The fourth proportional to 55,027.96, 75,936.29 and 31,155.94 is: 42,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,027.96 : 75,936.29 = 31,155.94 : x
  2. Step 2: Convert to fraction form
    55,027.96/75,936.29 = 31,155.94/x
  3. Step 3: Cross multiply
    55,027.96x = 75,936.29 × 31,155.94
  4. Step 4: Simplify right side
    55,027.96x = 2,365,866,434.20
  5. Step 5: Solve for x
    x = 2,365,866,434.20/55,027.96
  6. Step 6: Final answer
    x = 42,993.90

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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.