Home / 114,039.85-170,636.04-71,722.31

Finding the Fourth Proportional to 114,039.85, 170,636.04 and 71,722.31

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Solution

The fourth proportional to 114,039.85, 170,636.04 and 71,722.31 is: 107,316.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,039.85 : 170,636.04 = 71,722.31 : x
  2. Step 2: Convert to fraction form
    114,039.85/170,636.04 = 71,722.31/x
  3. Step 3: Cross multiply
    114,039.85x = 170,636.04 × 71,722.31
  4. Step 4: Simplify right side
    114,039.85x = 12,238,411,266.42
  5. Step 5: Solve for x
    x = 12,238,411,266.42/114,039.85
  6. Step 6: Final answer
    x = 107,316.97

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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.