Home / 76,431.29-105,487.70-44,600.09

Finding the Fourth Proportional to 76,431.29, 105,487.70 and 44,600.09

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Solution

The fourth proportional to 76,431.29, 105,487.70 and 44,600.09 is: 61,555.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,431.29 : 105,487.70 = 44,600.09 : x
  2. Step 2: Convert to fraction form
    76,431.29/105,487.70 = 44,600.09/x
  3. Step 3: Cross multiply
    76,431.29x = 105,487.70 × 44,600.09
  4. Step 4: Simplify right side
    76,431.29x = 4,704,760,163.45
  5. Step 5: Solve for x
    x = 4,704,760,163.45/76,431.29
  6. Step 6: Final answer
    x = 61,555.42

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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.