Home / 82,560.42-113,968.26-55,739.26

Finding the Fourth Proportional to 82,560.42, 113,968.26 and 55,739.26

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Solution

The fourth proportional to 82,560.42, 113,968.26 and 55,739.26 is: 76,943.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,560.42 : 113,968.26 = 55,739.26 : x
  2. Step 2: Convert to fraction form
    82,560.42/113,968.26 = 55,739.26/x
  3. Step 3: Cross multiply
    82,560.42x = 113,968.26 × 55,739.26
  4. Step 4: Simplify right side
    82,560.42x = 6,352,506,475.89
  5. Step 5: Solve for x
    x = 6,352,506,475.89/82,560.42
  6. Step 6: Final answer
    x = 76,943.73

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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.