Home / 76,215.22-105,163.41-42,674.74

Finding the Fourth Proportional to 76,215.22, 105,163.41 and 42,674.74

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Solution

The fourth proportional to 76,215.22, 105,163.41 and 42,674.74 is: 58,883.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,215.22 : 105,163.41 = 42,674.74 : x
  2. Step 2: Convert to fraction form
    76,215.22/105,163.41 = 42,674.74/x
  3. Step 3: Cross multiply
    76,215.22x = 105,163.41 × 42,674.74
  4. Step 4: Simplify right side
    76,215.22x = 4,487,821,179.26
  5. Step 5: Solve for x
    x = 4,487,821,179.26/76,215.22
  6. Step 6: Final answer
    x = 58,883.53

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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.