Home / 76,239.94-105,079.76-50,700.66

Finding the Fourth Proportional to 76,239.94, 105,079.76 and 50,700.66

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Solution

The fourth proportional to 76,239.94, 105,079.76 and 50,700.66 is: 69,879.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,239.94 : 105,079.76 = 50,700.66 : x
  2. Step 2: Convert to fraction form
    76,239.94/105,079.76 = 50,700.66/x
  3. Step 3: Cross multiply
    76,239.94x = 105,079.76 × 50,700.66
  4. Step 4: Simplify right side
    76,239.94x = 5,327,613,184.64
  5. Step 5: Solve for x
    x = 5,327,613,184.64/76,239.94
  6. Step 6: Final answer
    x = 69,879.56

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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.