Home / 76,212.06-114,284.98-40,665.45

Finding the Fourth Proportional to 76,212.06, 114,284.98 and 40,665.45

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Solution

The fourth proportional to 76,212.06, 114,284.98 and 40,665.45 is: 60,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,212.06 : 114,284.98 = 40,665.45 : x
  2. Step 2: Convert to fraction form
    76,212.06/114,284.98 = 40,665.45/x
  3. Step 3: Cross multiply
    76,212.06x = 114,284.98 × 40,665.45
  4. Step 4: Simplify right side
    76,212.06x = 4,647,450,139.94
  5. Step 5: Solve for x
    x = 4,647,450,139.94/76,212.06
  6. Step 6: Final answer
    x = 60,980.51

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1.5x scale

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.