Home / 105,890.34-158,864.67-35,818.86

Finding the Fourth Proportional to 105,890.34, 158,864.67 and 35,818.86

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Solution

The fourth proportional to 105,890.34, 158,864.67 and 35,818.86 is: 53,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,890.34 : 158,864.67 = 35,818.86 : x
  2. Step 2: Convert to fraction form
    105,890.34/158,864.67 = 35,818.86/x
  3. Step 3: Cross multiply
    105,890.34x = 158,864.67 × 35,818.86
  4. Step 4: Simplify right side
    105,890.34x = 5,690,351,373.68
  5. Step 5: Solve for x
    x = 5,690,351,373.68/105,890.34
  6. Step 6: Final answer
    x = 53,738.15

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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.