Home / 76,021.93-104,910.96-42,028.66

Finding the Fourth Proportional to 76,021.93, 104,910.96 and 42,028.66

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Solution

The fourth proportional to 76,021.93, 104,910.96 and 42,028.66 is: 57,999.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,021.93 : 104,910.96 = 42,028.66 : x
  2. Step 2: Convert to fraction form
    76,021.93/104,910.96 = 42,028.66/x
  3. Step 3: Cross multiply
    76,021.93x = 104,910.96 × 42,028.66
  4. Step 4: Simplify right side
    76,021.93x = 4,409,267,068.11
  5. Step 5: Solve for x
    x = 4,409,267,068.11/76,021.93
  6. Step 6: Final answer
    x = 57,999.94

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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.