Home / 76,737.21-105,872.99-43,196.73

Finding the Fourth Proportional to 76,737.21, 105,872.99 and 43,196.73

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Solution

The fourth proportional to 76,737.21, 105,872.99 and 43,196.73 is: 59,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,737.21 : 105,872.99 = 43,196.73 : x
  2. Step 2: Convert to fraction form
    76,737.21/105,872.99 = 43,196.73/x
  3. Step 3: Cross multiply
    76,737.21x = 105,872.99 × 43,196.73
  4. Step 4: Simplify right side
    76,737.21x = 4,573,366,747.34
  5. Step 5: Solve for x
    x = 4,573,366,747.34/76,737.21
  6. Step 6: Final answer
    x = 59,597.77

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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.