Home / 82,577.96-113,992.44-55,756.76

Finding the Fourth Proportional to 82,577.96, 113,992.44 and 55,756.76

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Solution

The fourth proportional to 82,577.96, 113,992.44 and 55,756.76 is: 76,967.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,577.96 : 113,992.44 = 55,756.76 : x
  2. Step 2: Convert to fraction form
    82,577.96/113,992.44 = 55,756.76/x
  3. Step 3: Cross multiply
    82,577.96x = 113,992.44 × 55,756.76
  4. Step 4: Simplify right side
    82,577.96x = 6,355,849,118.89
  5. Step 5: Solve for x
    x = 6,355,849,118.89/82,577.96
  6. Step 6: Final answer
    x = 76,967.86

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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.