Home / 114,790.88-172,176.60-39,891.80

Finding the Fourth Proportional to 114,790.88, 172,176.60 and 39,891.80

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Solution

The fourth proportional to 114,790.88, 172,176.60 and 39,891.80 is: 59,834.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,790.88 : 172,176.60 = 39,891.80 : x
  2. Step 2: Convert to fraction form
    114,790.88/172,176.60 = 39,891.80/x
  3. Step 3: Cross multiply
    114,790.88x = 172,176.60 × 39,891.80
  4. Step 4: Simplify right side
    114,790.88x = 6,868,434,491.88
  5. Step 5: Solve for x
    x = 6,868,434,491.88/114,790.88
  6. Step 6: Final answer
    x = 59,834.32

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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.