Home / 82,539.71-113,903.21-48,551.91

Finding the Fourth Proportional to 82,539.71, 113,903.21 and 48,551.91

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Solution

The fourth proportional to 82,539.71, 113,903.21 and 48,551.91 is: 67,000.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,539.71 : 113,903.21 = 48,551.91 : x
  2. Step 2: Convert to fraction form
    82,539.71/113,903.21 = 48,551.91/x
  3. Step 3: Cross multiply
    82,539.71x = 113,903.21 × 48,551.91
  4. Step 4: Simplify right side
    82,539.71x = 5,530,218,094.87
  5. Step 5: Solve for x
    x = 5,530,218,094.87/82,539.71
  6. Step 6: Final answer
    x = 67,000.70

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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.