Home / 55,597.73-76,723.77-31,720.55

Finding the Fourth Proportional to 55,597.73, 76,723.77 and 31,720.55

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Solution

The fourth proportional to 55,597.73, 76,723.77 and 31,720.55 is: 43,773.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,597.73 : 76,723.77 = 31,720.55 : x
  2. Step 2: Convert to fraction form
    55,597.73/76,723.77 = 31,720.55/x
  3. Step 3: Cross multiply
    55,597.73x = 76,723.77 × 31,720.55
  4. Step 4: Simplify right side
    55,597.73x = 2,433,720,182.47
  5. Step 5: Solve for x
    x = 2,433,720,182.47/55,597.73
  6. Step 6: Final answer
    x = 43,773.73

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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.