Home / 76,282.41-105,273.32-47,619.04

Finding the Fourth Proportional to 76,282.41, 105,273.32 and 47,619.04

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Solution

The fourth proportional to 76,282.41, 105,273.32 and 47,619.04 is: 65,716.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,282.41 : 105,273.32 = 47,619.04 : x
  2. Step 2: Convert to fraction form
    76,282.41/105,273.32 = 47,619.04/x
  3. Step 3: Cross multiply
    76,282.41x = 105,273.32 × 47,619.04
  4. Step 4: Simplify right side
    76,282.41x = 5,013,014,399.98
  5. Step 5: Solve for x
    x = 5,013,014,399.98/76,282.41
  6. Step 6: Final answer
    x = 65,716.52

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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.