Home / 46,879.44-70,367.76-31,405.20

Finding the Fourth Proportional to 46,879.44, 70,367.76 and 31,405.20

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Solution

The fourth proportional to 46,879.44, 70,367.76 and 31,405.20 is: 47,140.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,879.44 : 70,367.76 = 31,405.20 : x
  2. Step 2: Convert to fraction form
    46,879.44/70,367.76 = 31,405.20/x
  3. Step 3: Cross multiply
    46,879.44x = 70,367.76 × 31,405.20
  4. Step 4: Simplify right side
    46,879.44x = 2,209,913,576.35
  5. Step 5: Solve for x
    x = 2,209,913,576.35/46,879.44
  6. Step 6: Final answer
    x = 47,140.36

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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.