Home / 76,819.90-106,012.40-44,562

Finding the Fourth Proportional to 76,819.90, 106,012.40 and 44,562

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Solution

The fourth proportional to 76,819.90, 106,012.40 and 44,562 is: 61,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,819.90 : 106,012.40 = 44,562 : x
  2. Step 2: Convert to fraction form
    76,819.90/106,012.40 = 44,562/x
  3. Step 3: Cross multiply
    76,819.90x = 106,012.40 × 44,562
  4. Step 4: Simplify right side
    76,819.90x = 4,724,124,568.80
  5. Step 5: Solve for x
    x = 4,724,124,568.80/76,819.90
  6. Step 6: Final answer
    x = 61,496.10

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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.