Home / 86,333.21-129,500.14-44,190.31

Finding the Fourth Proportional to 86,333.21, 129,500.14 and 44,190.31

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Solution

The fourth proportional to 86,333.21, 129,500.14 and 44,190.31 is: 66,285.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,333.21 : 129,500.14 = 44,190.31 : x
  2. Step 2: Convert to fraction form
    86,333.21/129,500.14 = 44,190.31/x
  3. Step 3: Cross multiply
    86,333.21x = 129,500.14 × 44,190.31
  4. Step 4: Simplify right side
    86,333.21x = 5,722,650,899.15
  5. Step 5: Solve for x
    x = 5,722,650,899.15/86,333.21
  6. Step 6: Final answer
    x = 66,285.62

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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.