Home / 76,786.58-105,929.25-44,935.76

Finding the Fourth Proportional to 76,786.58, 105,929.25 and 44,935.76

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Solution

The fourth proportional to 76,786.58, 105,929.25 and 44,935.76 is: 61,990.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,786.58 : 105,929.25 = 44,935.76 : x
  2. Step 2: Convert to fraction form
    76,786.58/105,929.25 = 44,935.76/x
  3. Step 3: Cross multiply
    76,786.58x = 105,929.25 × 44,935.76
  4. Step 4: Simplify right side
    76,786.58x = 4,760,011,354.98
  5. Step 5: Solve for x
    x = 4,760,011,354.98/76,786.58
  6. Step 6: Final answer
    x = 61,990.15

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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.