Home / 84,539.50-116,664.30-48,729.22

Finding the Fourth Proportional to 84,539.50, 116,664.30 and 48,729.22

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Solution

The fourth proportional to 84,539.50, 116,664.30 and 48,729.22 is: 67,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,539.50 : 116,664.30 = 48,729.22 : x
  2. Step 2: Convert to fraction form
    84,539.50/116,664.30 = 48,729.22/x
  3. Step 3: Cross multiply
    84,539.50x = 116,664.30 × 48,729.22
  4. Step 4: Simplify right side
    84,539.50x = 5,684,960,340.85
  5. Step 5: Solve for x
    x = 5,684,960,340.85/84,539.50
  6. Step 6: Final answer
    x = 67,246.20

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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.