Home / 125,986.04-188,869.80-47,101.04

Finding the Fourth Proportional to 125,986.04, 188,869.80 and 47,101.04

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Solution

The fourth proportional to 125,986.04, 188,869.80 and 47,101.04 is: 70,610.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,986.04 : 188,869.80 = 47,101.04 : x
  2. Step 2: Convert to fraction form
    125,986.04/188,869.80 = 47,101.04/x
  3. Step 3: Cross multiply
    125,986.04x = 188,869.80 × 47,101.04
  4. Step 4: Simplify right side
    125,986.04x = 8,895,964,004.59
  5. Step 5: Solve for x
    x = 8,895,964,004.59/125,986.04
  6. Step 6: Final answer
    x = 70,610.71

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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.