Home / 85,994.32-129,028.44-44,470.48

Finding the Fourth Proportional to 85,994.32, 129,028.44 and 44,470.48

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Solution

The fourth proportional to 85,994.32, 129,028.44 and 44,470.48 is: 66,724.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,994.32 : 129,028.44 = 44,470.48 : x
  2. Step 2: Convert to fraction form
    85,994.32/129,028.44 = 44,470.48/x
  3. Step 3: Cross multiply
    85,994.32x = 129,028.44 × 44,470.48
  4. Step 4: Simplify right side
    85,994.32x = 5,737,956,660.45
  5. Step 5: Solve for x
    x = 5,737,956,660.45/85,994.32
  6. Step 6: Final answer
    x = 66,724.83

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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.