Home / 76,519.96-105,610.60-49,288.32

Finding the Fourth Proportional to 76,519.96, 105,610.60 and 49,288.32

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Solution

The fourth proportional to 76,519.96, 105,610.60 and 49,288.32 is: 68,026.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,519.96 : 105,610.60 = 49,288.32 : x
  2. Step 2: Convert to fraction form
    76,519.96/105,610.60 = 49,288.32/x
  3. Step 3: Cross multiply
    76,519.96x = 105,610.60 × 49,288.32
  4. Step 4: Simplify right side
    76,519.96x = 5,205,369,109.80
  5. Step 5: Solve for x
    x = 5,205,369,109.80/76,519.96
  6. Step 6: Final answer
    x = 68,026.29

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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.