Home / 82,577.46-113,991.75-55,756.26

Finding the Fourth Proportional to 82,577.46, 113,991.75 and 55,756.26

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Solution

The fourth proportional to 82,577.46, 113,991.75 and 55,756.26 is: 76,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,577.46 : 113,991.75 = 55,756.26 : x
  2. Step 2: Convert to fraction form
    82,577.46/113,991.75 = 55,756.26/x
  3. Step 3: Cross multiply
    82,577.46x = 113,991.75 × 55,756.26
  4. Step 4: Simplify right side
    82,577.46x = 6,355,753,650.86
  5. Step 5: Solve for x
    x = 6,355,753,650.86/82,577.46
  6. Step 6: Final answer
    x = 76,967.17

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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.