Home / 102,856.83-154,229.79-46,666.29

Finding the Fourth Proportional to 102,856.83, 154,229.79 and 46,666.29

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Solution

The fourth proportional to 102,856.83, 154,229.79 and 46,666.29 is: 69,974.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,856.83 : 154,229.79 = 46,666.29 : x
  2. Step 2: Convert to fraction form
    102,856.83/154,229.79 = 46,666.29/x
  3. Step 3: Cross multiply
    102,856.83x = 154,229.79 × 46,666.29
  4. Step 4: Simplify right side
    102,856.83x = 7,197,332,106.78
  5. Step 5: Solve for x
    x = 7,197,332,106.78/102,856.83
  6. Step 6: Final answer
    x = 69,974.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.