Home / 102,623.24-141,622.47-57,299.69

Finding the Fourth Proportional to 102,623.24, 141,622.47 and 57,299.69

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Solution

The fourth proportional to 102,623.24, 141,622.47 and 57,299.69 is: 79,074.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,623.24 : 141,622.47 = 57,299.69 : x
  2. Step 2: Convert to fraction form
    102,623.24/141,622.47 = 57,299.69/x
  3. Step 3: Cross multiply
    102,623.24x = 141,622.47 × 57,299.69
  4. Step 4: Simplify right side
    102,623.24x = 8,114,922,919.92
  5. Step 5: Solve for x
    x = 8,114,922,919.92/102,623.24
  6. Step 6: Final answer
    x = 79,074.91

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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.