Home / 46,012.06-68,907.30-31,176

Finding the Fourth Proportional to 46,012.06, 68,907.30 and 31,176

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Solution

The fourth proportional to 46,012.06, 68,907.30 and 31,176 is: 46,688.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,012.06 : 68,907.30 = 31,176 : x
  2. Step 2: Convert to fraction form
    46,012.06/68,907.30 = 31,176/x
  3. Step 3: Cross multiply
    46,012.06x = 68,907.30 × 31,176
  4. Step 4: Simplify right side
    46,012.06x = 2,148,253,984.80
  5. Step 5: Solve for x
    x = 2,148,253,984.80/46,012.06
  6. Step 6: Final answer
    x = 46,688.93

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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.