Home / 82,329.96-113,654.55-55,152.84

Finding the Fourth Proportional to 82,329.96, 113,654.55 and 55,152.84

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Solution

The fourth proportional to 82,329.96, 113,654.55 and 55,152.84 is: 76,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,329.96 : 113,654.55 = 55,152.84 : x
  2. Step 2: Convert to fraction form
    82,329.96/113,654.55 = 55,152.84/x
  3. Step 3: Cross multiply
    82,329.96x = 113,654.55 × 55,152.84
  4. Step 4: Simplify right side
    82,329.96x = 6,268,371,211.42
  5. Step 5: Solve for x
    x = 6,268,371,211.42/82,329.96
  6. Step 6: Final answer
    x = 76,137.18

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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.