Home / 104,755.20-157,174.80-47,856.04

Finding the Fourth Proportional to 104,755.20, 157,174.80 and 47,856.04

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Solution

The fourth proportional to 104,755.20, 157,174.80 and 47,856.04 is: 71,803.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,755.20 : 157,174.80 = 47,856.04 : x
  2. Step 2: Convert to fraction form
    104,755.20/157,174.80 = 47,856.04/x
  3. Step 3: Cross multiply
    104,755.20x = 157,174.80 × 47,856.04
  4. Step 4: Simplify right side
    104,755.20x = 7,521,763,515.79
  5. Step 5: Solve for x
    x = 7,521,763,515.79/104,755.20
  6. Step 6: Final answer
    x = 71,803.25

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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.