Home / 70,366.12-105,552.46-39,177.88

Finding the Fourth Proportional to 70,366.12, 105,552.46 and 39,177.88

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Solution

The fourth proportional to 70,366.12, 105,552.46 and 39,177.88 is: 58,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,366.12 : 105,552.46 = 39,177.88 : x
  2. Step 2: Convert to fraction form
    70,366.12/105,552.46 = 39,177.88/x
  3. Step 3: Cross multiply
    70,366.12x = 105,552.46 × 39,177.88
  4. Step 4: Simplify right side
    70,366.12x = 4,135,321,611.58
  5. Step 5: Solve for x
    x = 4,135,321,611.58/70,366.12
  6. Step 6: Final answer
    x = 58,768.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.