Home / 102,621.70-141,616.58-57,300.44

Finding the Fourth Proportional to 102,621.70, 141,616.58 and 57,300.44

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Solution

The fourth proportional to 102,621.70, 141,616.58 and 57,300.44 is: 79,073.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,621.70 : 141,616.58 = 57,300.44 : x
  2. Step 2: Convert to fraction form
    102,621.70/141,616.58 = 57,300.44/x
  3. Step 3: Cross multiply
    102,621.70x = 141,616.58 × 57,300.44
  4. Step 4: Simplify right side
    102,621.70x = 8,114,692,345.30
  5. Step 5: Solve for x
    x = 8,114,692,345.30/102,621.70
  6. Step 6: Final answer
    x = 79,073.84

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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.