Home / 70,212.42-105,344.94-36,457.38

Finding the Fourth Proportional to 70,212.42, 105,344.94 and 36,457.38

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Solution

The fourth proportional to 70,212.42, 105,344.94 and 36,457.38 is: 54,699.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,212.42 : 105,344.94 = 36,457.38 : x
  2. Step 2: Convert to fraction form
    70,212.42/105,344.94 = 36,457.38/x
  3. Step 3: Cross multiply
    70,212.42x = 105,344.94 × 36,457.38
  4. Step 4: Simplify right side
    70,212.42x = 3,840,600,508.66
  5. Step 5: Solve for x
    x = 3,840,600,508.66/70,212.42
  6. Step 6: Final answer
    x = 54,699.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.