Home / 102,622.92-141,622.04-57,299.37

Finding the Fourth Proportional to 102,622.92, 141,622.04 and 57,299.37

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Solution

The fourth proportional to 102,622.92, 141,622.04 and 57,299.37 is: 79,074.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,622.92 : 141,622.04 = 57,299.37 : x
  2. Step 2: Convert to fraction form
    102,622.92/141,622.04 = 57,299.37/x
  3. Step 3: Cross multiply
    102,622.92x = 141,622.04 × 57,299.37
  4. Step 4: Simplify right side
    102,622.92x = 8,114,853,952.55
  5. Step 5: Solve for x
    x = 8,114,853,952.55/102,622.92
  6. Step 6: Final answer
    x = 79,074.48

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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.