Home / 76,039.12-104,899.10-49,190.29

Finding the Fourth Proportional to 76,039.12, 104,899.10 and 49,190.29

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Solution

The fourth proportional to 76,039.12, 104,899.10 and 49,190.29 is: 67,860.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,039.12 : 104,899.10 = 49,190.29 : x
  2. Step 2: Convert to fraction form
    76,039.12/104,899.10 = 49,190.29/x
  3. Step 3: Cross multiply
    76,039.12x = 104,899.10 × 49,190.29
  4. Step 4: Simplify right side
    76,039.12x = 5,160,016,625.24
  5. Step 5: Solve for x
    x = 5,160,016,625.24/76,039.12
  6. Step 6: Final answer
    x = 67,860.03

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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.