Home / 55,604.04-76,739.07-31,734.30

Finding the Fourth Proportional to 55,604.04, 76,739.07 and 31,734.30

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Solution

The fourth proportional to 55,604.04, 76,739.07 and 31,734.30 is: 43,796.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,604.04 : 76,739.07 = 31,734.30 : x
  2. Step 2: Convert to fraction form
    55,604.04/76,739.07 = 31,734.30/x
  3. Step 3: Cross multiply
    55,604.04x = 76,739.07 × 31,734.30
  4. Step 4: Simplify right side
    55,604.04x = 2,435,260,669.10
  5. Step 5: Solve for x
    x = 2,435,260,669.10/55,604.04
  6. Step 6: Final answer
    x = 43,796.47

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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.