Home / 76,590.73-105,584.38-50,705.92

Finding the Fourth Proportional to 76,590.73, 105,584.38 and 50,705.92

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Solution

The fourth proportional to 76,590.73, 105,584.38 and 50,705.92 is: 69,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,590.73 : 105,584.38 = 50,705.92 : x
  2. Step 2: Convert to fraction form
    76,590.73/105,584.38 = 50,705.92/x
  3. Step 3: Cross multiply
    76,590.73x = 105,584.38 × 50,705.92
  4. Step 4: Simplify right side
    76,590.73x = 5,353,753,125.53
  5. Step 5: Solve for x
    x = 5,353,753,125.53/76,590.73
  6. Step 6: Final answer
    x = 69,900.80

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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.