Home / 76,311.06-105,321.56-44,473.80

Finding the Fourth Proportional to 76,311.06, 105,321.56 and 44,473.80

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Solution

The fourth proportional to 76,311.06, 105,321.56 and 44,473.80 is: 61,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,311.06 : 105,321.56 = 44,473.80 : x
  2. Step 2: Convert to fraction form
    76,311.06/105,321.56 = 44,473.80/x
  3. Step 3: Cross multiply
    76,311.06x = 105,321.56 × 44,473.80
  4. Step 4: Simplify right side
    76,311.06x = 4,684,049,772.76
  5. Step 5: Solve for x
    x = 4,684,049,772.76/76,311.06
  6. Step 6: Final answer
    x = 61,381.01

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1.5x scale

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.