Home / 92,949.20-128,269.46-52,662.87

Finding the Fourth Proportional to 92,949.20, 128,269.46 and 52,662.87

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Solution

The fourth proportional to 92,949.20, 128,269.46 and 52,662.87 is: 72,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,949.20 : 128,269.46 = 52,662.87 : x
  2. Step 2: Convert to fraction form
    92,949.20/128,269.46 = 52,662.87/x
  3. Step 3: Cross multiply
    92,949.20x = 128,269.46 × 52,662.87
  4. Step 4: Simplify right side
    92,949.20x = 6,755,036,992.29
  5. Step 5: Solve for x
    x = 6,755,036,992.29/92,949.20
  6. Step 6: Final answer
    x = 72,674.51

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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.