Home / 125,619.90-188,429.85-46,717.80

Finding the Fourth Proportional to 125,619.90, 188,429.85 and 46,717.80

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Solution

The fourth proportional to 125,619.90, 188,429.85 and 46,717.80 is: 70,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,619.90 : 188,429.85 = 46,717.80 : x
  2. Step 2: Convert to fraction form
    125,619.90/188,429.85 = 46,717.80/x
  3. Step 3: Cross multiply
    125,619.90x = 188,429.85 × 46,717.80
  4. Step 4: Simplify right side
    125,619.90x = 8,803,028,046.33
  5. Step 5: Solve for x
    x = 8,803,028,046.33/125,619.90
  6. Step 6: Final answer
    x = 70,076.70

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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.