Home / 55,507.01-76,601.63-31,629.83

Finding the Fourth Proportional to 55,507.01, 76,601.63 and 31,629.83

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Solution

The fourth proportional to 55,507.01, 76,601.63 and 31,629.83 is: 43,650.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,507.01 : 76,601.63 = 31,629.83 : x
  2. Step 2: Convert to fraction form
    55,507.01/76,601.63 = 31,629.83/x
  3. Step 3: Cross multiply
    55,507.01x = 76,601.63 × 31,629.83
  4. Step 4: Simplify right side
    55,507.01x = 2,422,896,567.98
  5. Step 5: Solve for x
    x = 2,422,896,567.98/55,507.01
  6. Step 6: Final answer
    x = 43,650.28

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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.