Home / 76,336.86-105,308.60-50,855.07

Finding the Fourth Proportional to 76,336.86, 105,308.60 and 50,855.07

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Solution

The fourth proportional to 76,336.86, 105,308.60 and 50,855.07 is: 70,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,336.86 : 105,308.60 = 50,855.07 : x
  2. Step 2: Convert to fraction form
    76,336.86/105,308.60 = 50,855.07/x
  3. Step 3: Cross multiply
    76,336.86x = 105,308.60 × 50,855.07
  4. Step 4: Simplify right side
    76,336.86x = 5,355,475,970.33
  5. Step 5: Solve for x
    x = 5,355,475,970.33/76,336.86
  6. Step 6: Final answer
    x = 70,155.83

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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.