Home / 76,120.29-105,054.21-44,306.73

Finding the Fourth Proportional to 76,120.29, 105,054.21 and 44,306.73

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Solution

The fourth proportional to 76,120.29, 105,054.21 and 44,306.73 is: 61,148.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,120.29 : 105,054.21 = 44,306.73 : x
  2. Step 2: Convert to fraction form
    76,120.29/105,054.21 = 44,306.73/x
  3. Step 3: Cross multiply
    76,120.29x = 105,054.21 × 44,306.73
  4. Step 4: Simplify right side
    76,120.29x = 4,654,608,517.83
  5. Step 5: Solve for x
    x = 4,654,608,517.83/76,120.29
  6. Step 6: Final answer
    x = 61,148.07

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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.