Home / 125,820.96-188,725.20-46,929

Finding the Fourth Proportional to 125,820.96, 188,725.20 and 46,929

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Solution

The fourth proportional to 125,820.96, 188,725.20 and 46,929 is: 70,391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,820.96 : 188,725.20 = 46,929 : x
  2. Step 2: Convert to fraction form
    125,820.96/188,725.20 = 46,929/x
  3. Step 3: Cross multiply
    125,820.96x = 188,725.20 × 46,929
  4. Step 4: Simplify right side
    125,820.96x = 8,856,684,910.80
  5. Step 5: Solve for x
    x = 8,856,684,910.80/125,820.96
  6. Step 6: Final answer
    x = 70,391.17

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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.