Home / 66,166.96-99,250.20-28,722.15

Finding the Fourth Proportional to 66,166.96, 99,250.20 and 28,722.15

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Solution

The fourth proportional to 66,166.96, 99,250.20 and 28,722.15 is: 43,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,166.96 : 99,250.20 = 28,722.15 : x
  2. Step 2: Convert to fraction form
    66,166.96/99,250.20 = 28,722.15/x
  3. Step 3: Cross multiply
    66,166.96x = 99,250.20 × 28,722.15
  4. Step 4: Simplify right side
    66,166.96x = 2,850,678,635.68
  5. Step 5: Solve for x
    x = 2,850,678,635.68/66,166.96
  6. Step 6: Final answer
    x = 43,083.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.