Home / 77,575.50-107,069.04-50,671.62

Finding the Fourth Proportional to 77,575.50, 107,069.04 and 50,671.62

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Solution

The fourth proportional to 77,575.50, 107,069.04 and 50,671.62 is: 69,936.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,575.50 : 107,069.04 = 50,671.62 : x
  2. Step 2: Convert to fraction form
    77,575.50/107,069.04 = 50,671.62/x
  3. Step 3: Cross multiply
    77,575.50x = 107,069.04 × 50,671.62
  4. Step 4: Simplify right side
    77,575.50x = 5,425,361,708.64
  5. Step 5: Solve for x
    x = 5,425,361,708.64/77,575.50
  6. Step 6: Final answer
    x = 69,936.54

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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.