Home / 76,210.32-105,144.30-44,372.46

Finding the Fourth Proportional to 76,210.32, 105,144.30 and 44,372.46

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Solution

The fourth proportional to 76,210.32, 105,144.30 and 44,372.46 is: 61,218.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,210.32 : 105,144.30 = 44,372.46 : x
  2. Step 2: Convert to fraction form
    76,210.32/105,144.30 = 44,372.46/x
  3. Step 3: Cross multiply
    76,210.32x = 105,144.30 × 44,372.46
  4. Step 4: Simplify right side
    76,210.32x = 4,665,511,245.98
  5. Step 5: Solve for x
    x = 4,665,511,245.98/76,210.32
  6. Step 6: Final answer
    x = 61,218.89

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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.