Home / 75,234.76-103,857.04-52,662.40

Finding the Fourth Proportional to 75,234.76, 103,857.04 and 52,662.40

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Solution

The fourth proportional to 75,234.76, 103,857.04 and 52,662.40 is: 72,697.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,234.76 : 103,857.04 = 52,662.40 : x
  2. Step 2: Convert to fraction form
    75,234.76/103,857.04 = 52,662.40/x
  3. Step 3: Cross multiply
    75,234.76x = 103,857.04 × 52,662.40
  4. Step 4: Simplify right side
    75,234.76x = 5,469,360,983.30
  5. Step 5: Solve for x
    x = 5,469,360,983.30/75,234.76
  6. Step 6: Final answer
    x = 72,697.26

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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.