Home / 51,120.81-70,546.04-29,613.49

Finding the Fourth Proportional to 51,120.81, 70,546.04 and 29,613.49

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Solution

The fourth proportional to 51,120.81, 70,546.04 and 29,613.49 is: 40,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,120.81 : 70,546.04 = 29,613.49 : x
  2. Step 2: Convert to fraction form
    51,120.81/70,546.04 = 29,613.49/x
  3. Step 3: Cross multiply
    51,120.81x = 70,546.04 × 29,613.49
  4. Step 4: Simplify right side
    51,120.81x = 2,089,114,347.75
  5. Step 5: Solve for x
    x = 2,089,114,347.75/51,120.81
  6. Step 6: Final answer
    x = 40,866.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.