Home / 105,207.85-157,812.38-35,086.96

Finding the Fourth Proportional to 105,207.85, 157,812.38 and 35,086.96

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Solution

The fourth proportional to 105,207.85, 157,812.38 and 35,086.96 is: 52,630.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,207.85 : 157,812.38 = 35,086.96 : x
  2. Step 2: Convert to fraction form
    105,207.85/157,812.38 = 35,086.96/x
  3. Step 3: Cross multiply
    105,207.85x = 157,812.38 × 35,086.96
  4. Step 4: Simplify right side
    105,207.85x = 5,537,156,664.56
  5. Step 5: Solve for x
    x = 5,537,156,664.56/105,207.85
  6. Step 6: Final answer
    x = 52,630.64

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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.