Home / 112,985.43-169,471.17-46,423.85

Finding the Fourth Proportional to 112,985.43, 169,471.17 and 46,423.85

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Solution

The fourth proportional to 112,985.43, 169,471.17 and 46,423.85 is: 69,632.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,985.43 : 169,471.17 = 46,423.85 : x
  2. Step 2: Convert to fraction form
    112,985.43/169,471.17 = 46,423.85/x
  3. Step 3: Cross multiply
    112,985.43x = 169,471.17 × 46,423.85
  4. Step 4: Simplify right side
    112,985.43x = 7,867,504,175.40
  5. Step 5: Solve for x
    x = 7,867,504,175.40/112,985.43
  6. Step 6: Final answer
    x = 69,632.91

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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.