Home / 82,078.89-113,311.69-58,262.46

Finding the Fourth Proportional to 82,078.89, 113,311.69 and 58,262.46

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Solution

The fourth proportional to 82,078.89, 113,311.69 and 58,262.46 is: 80,432.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,078.89 : 113,311.69 = 58,262.46 : x
  2. Step 2: Convert to fraction form
    82,078.89/113,311.69 = 58,262.46/x
  3. Step 3: Cross multiply
    82,078.89x = 113,311.69 × 58,262.46
  4. Step 4: Simplify right side
    82,078.89x = 6,601,817,806.16
  5. Step 5: Solve for x
    x = 6,601,817,806.16/82,078.89
  6. Step 6: Final answer
    x = 80,432.59

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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.