Home / 76,120.08-105,020.04-44,262.76

Finding the Fourth Proportional to 76,120.08, 105,020.04 and 44,262.76

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Solution

The fourth proportional to 76,120.08, 105,020.04 and 44,262.76 is: 61,067.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,120.08 : 105,020.04 = 44,262.76 : x
  2. Step 2: Convert to fraction form
    76,120.08/105,020.04 = 44,262.76/x
  3. Step 3: Cross multiply
    76,120.08x = 105,020.04 × 44,262.76
  4. Step 4: Simplify right side
    76,120.08x = 4,648,476,825.71
  5. Step 5: Solve for x
    x = 4,648,476,825.71/76,120.08
  6. Step 6: Final answer
    x = 61,067.68

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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.