Home / 49,764.42-74,670.48-31,039.64

Finding the Fourth Proportional to 49,764.42, 74,670.48 and 31,039.64

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Solution

The fourth proportional to 49,764.42, 74,670.48 and 31,039.64 is: 46,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,764.42 : 74,670.48 = 31,039.64 : x
  2. Step 2: Convert to fraction form
    49,764.42/74,670.48 = 31,039.64/x
  3. Step 3: Cross multiply
    49,764.42x = 74,670.48 × 31,039.64
  4. Step 4: Simplify right side
    49,764.42x = 2,317,744,817.83
  5. Step 5: Solve for x
    x = 2,317,744,817.83/49,764.42
  6. Step 6: Final answer
    x = 46,574.34

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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.