Home / 125,824.13-188,623.59-45,805.65

Finding the Fourth Proportional to 125,824.13, 188,623.59 and 45,805.65

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Solution

The fourth proportional to 125,824.13, 188,623.59 and 45,805.65 is: 68,667.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,824.13 : 188,623.59 = 45,805.65 : x
  2. Step 2: Convert to fraction form
    125,824.13/188,623.59 = 45,805.65/x
  3. Step 3: Cross multiply
    125,824.13x = 188,623.59 × 45,805.65
  4. Step 4: Simplify right side
    125,824.13x = 8,640,026,327.18
  5. Step 5: Solve for x
    x = 8,640,026,327.18/125,824.13
  6. Step 6: Final answer
    x = 68,667.48

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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.