Home / 103,853.29-155,717.65-47,622.96

Finding the Fourth Proportional to 103,853.29, 155,717.65 and 47,622.96

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Solution

The fourth proportional to 103,853.29, 155,717.65 and 47,622.96 is: 71,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,853.29 : 155,717.65 = 47,622.96 : x
  2. Step 2: Convert to fraction form
    103,853.29/155,717.65 = 47,622.96/x
  3. Step 3: Cross multiply
    103,853.29x = 155,717.65 × 47,622.96
  4. Step 4: Simplify right side
    103,853.29x = 7,415,735,476.77
  5. Step 5: Solve for x
    x = 7,415,735,476.77/103,853.29
  6. Step 6: Final answer
    x = 71,405.88

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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.