Home / 97,731.70-146,594.85-31,175.80

Finding the Fourth Proportional to 97,731.70, 146,594.85 and 31,175.80

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Solution

The fourth proportional to 97,731.70, 146,594.85 and 31,175.80 is: 46,762.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,731.70 : 146,594.85 = 31,175.80 : x
  2. Step 2: Convert to fraction form
    97,731.70/146,594.85 = 31,175.80/x
  3. Step 3: Cross multiply
    97,731.70x = 146,594.85 × 31,175.80
  4. Step 4: Simplify right side
    97,731.70x = 4,570,211,724.63
  5. Step 5: Solve for x
    x = 4,570,211,724.63/97,731.70
  6. Step 6: Final answer
    x = 46,762.84

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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.