Home / 52,102.20-71,894.70-29,439.80

Finding the Fourth Proportional to 52,102.20, 71,894.70 and 29,439.80

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Solution

The fourth proportional to 52,102.20, 71,894.70 and 29,439.80 is: 40,623.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,102.20 : 71,894.70 = 29,439.80 : x
  2. Step 2: Convert to fraction form
    52,102.20/71,894.70 = 29,439.80/x
  3. Step 3: Cross multiply
    52,102.20x = 71,894.70 × 29,439.80
  4. Step 4: Simplify right side
    52,102.20x = 2,116,565,589.06
  5. Step 5: Solve for x
    x = 2,116,565,589.06/52,102.20
  6. Step 6: Final answer
    x = 40,623.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.