Home / 76,326.09-105,366.17-50,874.88

Finding the Fourth Proportional to 76,326.09, 105,366.17 and 50,874.88

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Solution

The fourth proportional to 76,326.09, 105,366.17 and 50,874.88 is: 70,231.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,326.09 : 105,366.17 = 50,874.88 : x
  2. Step 2: Convert to fraction form
    76,326.09/105,366.17 = 50,874.88/x
  3. Step 3: Cross multiply
    76,326.09x = 105,366.17 × 50,874.88
  4. Step 4: Simplify right side
    76,326.09x = 5,360,491,254.81
  5. Step 5: Solve for x
    x = 5,360,491,254.81/76,326.09
  6. Step 6: Final answer
    x = 70,231.44

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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.