Home / 76,234.67-105,202.28-42,242.85

Finding the Fourth Proportional to 76,234.67, 105,202.28 and 42,242.85

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Solution

The fourth proportional to 76,234.67, 105,202.28 and 42,242.85 is: 58,294.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,234.67 : 105,202.28 = 42,242.85 : x
  2. Step 2: Convert to fraction form
    76,234.67/105,202.28 = 42,242.85/x
  3. Step 3: Cross multiply
    76,234.67x = 105,202.28 × 42,242.85
  4. Step 4: Simplify right side
    76,234.67x = 4,444,043,922.48
  5. Step 5: Solve for x
    x = 4,444,043,922.48/76,234.67
  6. Step 6: Final answer
    x = 58,294.27

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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.