Home / 55,625.63-76,766.60-31,759.79

Finding the Fourth Proportional to 55,625.63, 76,766.60 and 31,759.79

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Solution

The fourth proportional to 55,625.63, 76,766.60 and 31,759.79 is: 43,830.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.63 : 76,766.60 = 31,759.79 : x
  2. Step 2: Convert to fraction form
    55,625.63/76,766.60 = 31,759.79/x
  3. Step 3: Cross multiply
    55,625.63x = 76,766.60 × 31,759.79
  4. Step 4: Simplify right side
    55,625.63x = 2,438,090,790.58
  5. Step 5: Solve for x
    x = 2,438,090,790.58/55,625.63
  6. Step 6: Final answer
    x = 43,830.35

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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.