Home / 76,202.72-105,160.60-42,211.73

Finding the Fourth Proportional to 76,202.72, 105,160.60 and 42,211.73

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Solution

The fourth proportional to 76,202.72, 105,160.60 and 42,211.73 is: 58,252.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,202.72 : 105,160.60 = 42,211.73 : x
  2. Step 2: Convert to fraction form
    76,202.72/105,160.60 = 42,211.73/x
  3. Step 3: Cross multiply
    76,202.72x = 105,160.60 × 42,211.73
  4. Step 4: Simplify right side
    76,202.72x = 4,439,010,853.84
  5. Step 5: Solve for x
    x = 4,439,010,853.84/76,202.72
  6. Step 6: Final answer
    x = 58,252.66

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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.