Home / 104,757.34-157,136.79-29,877.40

Finding the Fourth Proportional to 104,757.34, 157,136.79 and 29,877.40

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Solution

The fourth proportional to 104,757.34, 157,136.79 and 29,877.40 is: 44,816.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,757.34 : 157,136.79 = 29,877.40 : x
  2. Step 2: Convert to fraction form
    104,757.34/157,136.79 = 29,877.40/x
  3. Step 3: Cross multiply
    104,757.34x = 157,136.79 × 29,877.40
  4. Step 4: Simplify right side
    104,757.34x = 4,694,838,729.55
  5. Step 5: Solve for x
    x = 4,694,838,729.55/104,757.34
  6. Step 6: Final answer
    x = 44,816.32

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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.